After going back to my preferred brakes, the SRAM Codes, I could just totally let off the brakes and carry speed downhill because I knew that at the bottom of that steep bit I could grab a fistful of brakes and slow down REAL QUICK. Now lets move up to what we would consider the absolute best bang for your buck brake, the Shimano SLX 7100/7120. Before we get started, it might be helpful to identify exactly what is a 4-piston brake. Dual (2) Piston Calipers are usually sliding calipers with brackets, but some 2 piston calipers are fixed position with opposing pistons – one on the inboard and one on the outboard side. What having brake modulation does is it gives you the ability to ask for exactly how much braking power you want. Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device. We seriously love what we do, and seriously love bikes. Larger rotors will give you more power and less heat, but your modulation will decrease. Check out the photo below for a side by side comparison of a Shimano XTR 2-piston caliper and Shimano XTR 4-piston brake caliper. The G2 offers plenty of power for your aggressive trail bike and gives you a great lever feel with firm feedback. But the cheapest setup is the 13.2 inch 2 piston brakes which can be found for $150 for calipers and rotors. Pro GRT series. Compared to the 2-piston SLX brakes, which use 22mm diameter pistons, the 4-piston versions use a pair of 15mm and 17mm diameter ceramic pistons. NZD, is 27 years old, and lives in Brevard, North Carolina. But now onto our favorite, and what we consider to be the best brake on the market, the SRAM Code RSC. Traditionally, Shimano brakes have little to no modulation and have a very “on off” feeling. When you pull the brake lever, it’s nearly at full power. 4 piston brakes will be slightly heavier than 2 piston brakes, so if you live in a flat area and mainly ride cross country and don’t need more stopping power, then a 2 piston brake is probably better for you. Different types of calipers (the thing that holds the pistons themselves) will hold different amounts and types of pistons. By Carroll Smith. There are a lot different options on the market today that all offer something different, so let's begin to breakdown the similarities and differences between the most popular 4 piston mountain bike brakes. Buy 4 piston Avid Code brakes and dont hesitate to have the braking performance. You will find 2-piston brakes on cross country and trail bikes where weight is very important, and you will find 4-piston … But do you actually NEED to upgrade to 4 piston brakes? I really liked them on my f/s bike, enough to buy the 2nd set when I built the hardtail, but once I swapped the old braided lines out for new XTR lines I LOVED them. I mounted these brakes on two different bikes that required drastically different rear hose lengths. These are $144.99 and are a super simple brake. If you’re not sure of what you have, you can always email us photos of your brake pad setup and we can help you out. Why would you skip performance? Plain and simple. If you’re rockin' 2 piston brakes and you feel like your brakes lose power while descending or just straight up don’t have much power from the get go, then you’ll greatly benefit from an upgrade to 4 piston brakes. The calipers themselves retail for $119.99, and you can fetch a brake hose for about $30. If you do, swap those out with metallic pads and you’ll slightly increase your power while descending. 99. So if you have 2 piston brakes and just want a smidge more power, check to see if you have organic brake pads. Dual-piston calipers can be serviced in the same manner as single-piston calipers with a few exceptions. We are not a warehouse store. He has now been racing professionally for the last 10 years, competing in the UCI World Cup series and, U.S. Since being introduced in 2013, the Shimano Saint brakes have set the bench mark for both power and serviceability. With a good bleed, these brakes can take a huge beating before they even think about fading. The twin-2" piston Wilwood D52 calipers have 6.28 square inches of piston area, versus 6.77 square inches for the OE 2-15/16" diameter single-piston calipers, making them the logical choice in what would otherwise be a stock application. This means its just easier to lockup a brake with a 200mm rotor over a 180mm rotor. The next step up from that would be the very well known Shimano XT M8120 which are $209.99 each. When Shimano introduced the latest XTR group set in 2018, with it came a completely redesigned brake set. Brakes on your mountain bike are important and often taken for granted. CLP With changes all around, the new caliper design on the G2 sees less flex during hard braking and gets a better piston seal interface. … Look for uneven pad wear. The Saint brakes are a little bit heavier than the Code brakes they compete against, but with it comes a bit more power and consistency. Sram has since dialed in the Code brakes with continuous improvements to both the lever and caliper, and the Sram Code brakes we have today are a serious contender. You will want to grab a BH90 hose to connect the new calipers to your existing lever, as the banjo bolt differs slightly. That said, the 4 piston calipers provide better brake feel with less pressure than the 2 piston calipers my bike came with. When Sram redesigned the Codes and moved away from their previous taper bore technology, there was originally some negative feedback. More is NOT better...they were able to reduce the rotor size also, from 6 pot calipers w/320mm rotors to 4 pot calipers w/310mm rotors. 4 piston calipers dissipate heat better due the greater surface area of multiple pistons. Four-piston brakes are so much more powerful than a two-piston and, for many riders, they might be a touch too responsive. In saying that, the G2 brakes are still essentially all new. These are $174.99 each, the overall finish is much nicer and they just look and feel like a nicer product. They now have a 4 piston version that only weighs 20gms more. But wait, how can having better brakes make you ride faster? These use the new EV style levers which, this sounds stupid but its true, are stiffer and offer a way better feel than the I-Spec II style levers since they flex less. I'm looking at the Charger Scat Pack with the 6.4. The calipers themselves are made from a variety of materials, steel and aluminum being the most popular - steel for durability, and aluminum for weight. BUT if you have confidence that your brakes will in fact slow you down, you’ll feel more confident to let ‘er rip and ride fast. The number of pistons is only part of the story, what matters at the caliper end is total piston area (and pad size). With four pistons chomping down on the rotors, there is plenty of brake force on tap. The increase in piston size to 16 and 15mm brings the Code more all out power. Modulation is another term used to describe how well you can control the brake’s power output. TRP offers two different models, the TRP Quadiem G-Spec and TRP Quadiem. If you a fan of Shimano's instant "on and off" lever feel, you can't go wrong with the Saint brakes. The brake system is completed with Brembo CCM discs that ensure a weight reduction of 50% compared to cast iron discs. I have a setup for the rear as well, bolts right up to a Dana 60 or 8 3/4 rear end with 11.8 or 13.8 rear rotors and the single piston caliper has a built in parking brake. Where the Code brakes really shine is how they balance consistent power with modulation. 2-piston calipers use two brake pads and two pistons, one of each on either side of the disc. These will be the heaviest option, require a tool to adjust lever reach and do not come with IceTech brake pads. If a 4-piston caliper can safely stop a 3500 pound Camaro when its chute fails at over 200 mph, or stand an out of control Monster Truck on its nose, then you probably don’t need mor… I have dual 4 piston calipers on my bike. This does come at the cost of some modulation, especially at slower speeds. The master cylinder should match the calipers. There's a ton of honorable mention of powerful, reliable brakes from brands like Hope, Magura and TRP, but the above brakes are just our favorites from what we ride and recommend most to customers. You’ll also be able to ride faster with better brakes! Some brands offer smaller pistons, of different sizes, which creates a more gradual contact pressure point with the pad. This is starting to change recently as many bike manufacturers also realize more and more people are looking to ride aggressive trails, but still most complete bikes under $3,000 out on the trails today have 2 piston brakes. JDMON Brake Piston Caliper,Brake Caliper Press Tool,for Single Twin Quad Piston Disc Brake,360 Degree Swing Ratchet Wrench Spreader Tools,with 2 pcs Steel Plates, Red. For fast road & track use, the 4 piston / 6 piston caliper cannot be touched. The Formula Cura 2 on the other hand, has very large pistons. There’s really never a bad time to have more powerful brakes when riding down anything, so even if you’re just going up and down a couple hundred feet then you’ll be happy you’ve got more power to slow you down. I wanted to give them a chance before replacing them right away, and after my second ride I don't think it is going to work out. When you pull the brake lever, there’s a small piston or plunger inside of the lever that forces fluid through the hose and into the caliper. All performance road brake calipers use conventional seals in conjunction with a dirt seal and are finished with a black PTFE paint coating which is impervious to normal brake fluids & high brake temperatures, with the AP Racing logo highlighted in yellow, or a … Plus, they’ve got great modulation and you can seriously control your speed with these things. by Wil Barrett 3 years ago 0. This force spreads the caliper apart like opening a book. A 2 piston caliper has 1 piston on each side, and a 4 piston caliper has 2 pistons on each side. GBP Swapping hoses and bleeding the brakes was as easy as usual with XT stoppers. Squeeze the lever a little bit and have a little bit of power. So when you squeeze the lever and think the lever has too much throw, you can dial up that bite point and make the brakes bite faster. $21.99 $ 21. Shimano now offers a 4-piston brake caliper with their XTR group. Last week I was lucky to … When fluid is pushed into the caliper, the pistons push outward squeezing the brake rotor and will slow down your bike. Sram has also introduced a new pad material called "Power Organic". If the pads have tapered wear, it could mean a problem with the caliper. If you’re rockin' 2 piston brakes and you feel like your brakes lose power while descending or just straight up don’t have much power from the get go, then you’ll greatly benefit from an upgrade to 4 piston brakes. The plus side is that you might make it onto Pinkbike's Friday Fails video, but the negative aspect is you might, ya know, break your arms. These are basically the same brakes as the SLX but with a slightly different finish color and a FreeStroke adjustment which basically doesn’t do anything. Mountain bike brakes come in two typical varieties: 2 piston and 4 piston. But if you definitely want a noticeable power increase, then let’s get you some brakes! USD Mono Block versus 2-Piece Calipers. But there’s more to it than that! He has now been racing professionally for the last 10 years, competing in the UCI World Cup series and U.S. The automotive brake caliper has a basic problem. 2 piston calipers use 2 pistons with 2 seals, and 4 piston calipers use 4 pistons with 4 seals. And honestly, to really reach and try to find a downside, it would be that 4 piston brake take slightly more maintenance. The price difference for the 3 stage suspension really doesn't make the SRT a case for me. A half a glass of water in my diet is 89 grams in my daily grind. The Code lever design is what allows for its ultimate modulation and control. The Saint brakes are very easy to bleed and maintain, meaning you can have them running top notch all the time. But wait, how can having better brakes make you ride faster? Click for more. I haven't tried the newer 2-piston XT brakes yet, but I use the 4-piston 755s on both my Turner and my Chameleon. The G2 brakes come with a new brake line from Sram that is reportedly stiffer, giving you a more firm lever feel. Major improvement IMO. But if you definitely want a noticeable power increase, So if you’re looking to just get some 4 piston brakes on your bike for the lowest price, we would highly recommend the, Now lets move up to what we would consider the absolute best bang for your buck brake, the, The next step up from that would be the very well known, But now onto our favorite, and what we consider to be the best brake on the market, the, RockShox Reverb AXS Dropper Post - Rider Review, choosing a selection results in a full page refresh. With all that said, the TRP Quadiem brakes offer something unique, especially for the price. TRP ›, Currency: Well yes. 4 piston calipers are physically bigger to fit the extra piston, meaning there’s space for more fluid inside. You will find 2-piston brakes on cross country and trail bikes where weight is very important, and you will find 4-piston brakes on enduro and downhill bikes where additional braking power is worth having at the cost of some added weight. One of the drawbacks to the TRP Quadiem brakes are their serviceability. SLX levers use tool free reach adjust so you can adjust your levers easily and use IceTech brake pads which have heat sink fins to keep the brake’s temperatures down for more consistency. With those XT M8000’s on steep trails, I was constantly holding the brakes to keep me moving at a more moderate, slower pace because I seriously didn’t think I could grab brake at the bottom of that section to stop me if I was moving quick. I use 6 piston axial calipers like on gen1 but I use a radial master of 20.6 mm. AUD To learn more about these powerful brakes, dive in to our Shimano Saint brakes review. But overall, 4 pistons squeezing a rotor results in more power than 2 pistons squeezing a rotor. Although these brakes are relatively simple to bleed, the brakes do need to be bled often as the pads wear to effectively overfill the system. We’ll start on the low price points and work our way up to the best of the best. The master must push the right amount of fluid and pressure to stop the bike. The TRP Quadiem brakes have been proven successful by 5 time World Cup Series champion Aaron Gwin. More physical material and more fluid means they shed heat much better than a smaller 2 piston caliper, don’t get as hot on descents, and have less loss of power, or less fade. However, not all brakes have the same amount of stopping power, and most of the difference in power is determined by if a brake caliper has 2 pistons or 4 pistons. TRP also doesn't offer the same quality syringes and bleed kits that you will find from Sram and Shimano. Notoriously, Shimano brakes are known for not having much modulation, instead coming on and off like a light switch. You will find the Sram Code brakes on Amuary Pierron's World Cup downhill winning race bike as well as on your weekend warrior's every day enduro bike. But seriously this is reallyyy reaching to even find a downside. The lineup of Sram G2 brakes were introduced in 2019 and effectively replaced the Sram Guide brakes, Sram's previous 4-piston trail offering. (1 7/8" vs 2 1/8)" edit: They might have been used on some Chevelles, but most Abodys used the bigbore. So yes, 4 piston brakes naturally have more stopping power than 2 piston brakes and are overall better while descending. SRAM › If you’re not sure of what you have, you can always email us photos of your brake pad setup and we can help you out. Sram calls the G2 a "mini Code" and we think that is spot on. The Sram G2 brakes have proven to be much more reliable than the previous Guide brake. Now lets take a closer look at a brake caliper. Going from a stock 2 piston caliper to a 3 piston caliper running stock pads and brake … Triumph Forum: … Brake Calipers, Pads, and Parts by Mark Williams … Billet 2 Piston Front Caliper: For MW floating rotor spindle mount front brake kit. 2 Vs 4 Piston Brakes I've got a new Kona Process 153 29'er that came with Sram Level T brakes. Dive more in to the details on Sram's latest brake offering by watching our Sram G2 RSC and Sram G2 Ultimate video! 4-piston vs. 2-piston. The Quadiem comes in at the lowest price of the brakes on this list and still manages to deliver enough power and consistency to win world cup races. 4 piston brakes are a little more efficient at transferring energy, have more pad surface area, less fade, and less (slower) pad wear. Now if the XTR brake set is a little out of your budget, Shimano also offers their tried and trued XT groupset with a 4-piston caliper, the Shimano Deore XT BR-M8120. For instance, the Sram Guide has 4 pistons, but they are tiny. The Shimano XTR BR-M9120 4-piston brakes are designed to bring you similar amounts of all out power we have seen from the Shimano Saint brakes but with a lever design that gives you more modulation. What sets the the TRP Quadiem brakes apart from the rest is their bang for the buck. AP Racing has a range of Standard 4 Piston road car calipers to suit lightweight mainly front but rear applications also. Get it as soon as Fri, Feb 19. In this post I’m going to explain the differences between the two and then help you decide which type is best for you! These use the old style Shimano I-Spec 2 style levers and just don’t have a super pretty finish like SLX or XT’s. If you have your mind made up already on the next set of brakes for your bike, check out our full selection of mountain bike hydraulic brakes. The 390 mm carbon-ceramic discs at the front are coupled to 6-piston calipers with a 143 cm2 pad, while the 360 mm carbon-ceramic discs on the rear are coupled to 4-piston calipers with a 77 cm2 pad. More pistons spread the load more evenly on the pad so you use the pad surface more evenly, most 4 pot calipers (such as Zee/Saint) keep a similar piston area (or only a very small amount larger) as the 2 pots (XT) so the lever remains the same and no/little more fluid is moved. I am 235 and saving 89 grams on a 2 piston vs 4 piston is beyond silly. Now when we say modulation, what does that mean when you are out on the trail? Also if you’re a larger person, a more powerful brake will definitely keep your speed in check better. Brake companies are trying to sell you on ‘upgrading’ to expensive 6 or more piston brake calipers, yet properly designed 4-piston calipers deliver the best combination of piston surface area, clamping force, and structural integrity. To learn more about Max, check out, Padded / Protective Short Liners / Chamois, 4-Piston Mountain Bike Brakes Buyers Guide, full selection of mountain bike hydraulic brakes, Wheels MFG BB86/92 Bottom Bracket [Rider Review], FOX 38 Factory Suspension Fork [Rider Review], Park PCS-10.2 Home Mechanic Repair Stand [Rider Review], Yeti SB130 TURQ Series Frame [Rider Review], Industry Nine 1/1 Enduro S Wheelset [Rider Review]. Riding in any area with any vertical descending will be benefited from more powerful brakes. Also, some rear single piston calipers have a mechanism on the back for the parking brake. They have the seals around the pistons, and the pistons are spring loaded. There's a lever connected to a hose, connected to a caliper. CAD I use Birenger Brakes. Inherently 2-piston mountain bike brakes weigh less than their 4-piston big brother, but at the same time, a 4-piston caliper will give you more braking power. With those XT M8000’s on steep trails, I was constantly holding the brakes to keep me moving at a more moderate, slower pace because I seriously didn’t think I could grab brake at the bottom of that section to stop me if I was moving quick. If you’re riding aggressively and you want tons of power and the ability to adjust everything exactly how you like it, then you’re going to be best suited with the Codes. However, if you didn’t have them you’d go careening through the woods and bouncing off trees. With that kind of validation, there are certainly a few reasons the Quadiem brake made it in to this discussion. 6 piston calipers were used from 1999-2007...and compared the the 4 piston ones that are now used...the 6 pot ones are crap. It's important to keep in mind that each of these different brake sets were ridden and tested with "stock" rotors and pads. RUB The basic function of a 4-piston brake caliper is the same as a 2-piston. EUR Shimano claims they are 22% more powerful than the 2-piston stoppers, and I can believe them. The XT’s come in a black box instead of a blue box and say XT on them... and to be honest you’ll probably just want XT brakes if you just want XT brakes. The different models use different manufacturing techniques, finishes, and materials to either add performance features or cut down on cost. If you have any questions, please contact us and we'll be happy to answer any questions you've got! 4 piston calipers … Rotors are also a key part in decreasing brake fade and increasing modulation. When more hydraulic fluid is pressed into the hose by pulling the brake lever, the pistons push harder on the brake pads, which in turn push against the brake rotor stopping the bike. If you have any questions, please contact Max Advanced Brakes by calling our toll-free hotlines:1-888-827-7927 or 1-888-835-2399 The G2 is the next iteration of the same technology we have seen in other Sram brakes and is currently offered as a Sram G2 RSC or Sram G2 Ultimate. Down side is that they tend to need more attention & cleaning to keep them operating. The more pressure, the higher the braking power. The Code RSC’s sell for $245 each and offer the most power and the most adjustability. Like most bikes and parts, there’s way too many options on the market, but these are our favorite which we personally ride and recommend to all of our customers. We're real, passionate riders, just like you. SLX brakes will be more powerful and consistent on long descents versus the Deore due to their new internal re-design to give them the same power as their DH rated Saint brakes. 4 piston brakes generally have better modulation than 2 piston brakes since the brake fluid is dispersed over more surface area behind multiple pistons. This makes controlling your speed smoother and easier especially down steep, loose terrain. Shimano › Today's mountain bikes are more capable than ever, so why not have a brake with no lack of power that won't leave you underwhelmed? Please Advise: Shipments may be delayed slightly due to extreme weather across the country. Typically 2 piston brakes are cheaper and help keep the price of complete bikes down. With more seals, comes technically more seals to clean and maintain. BUT if you have confidence that your brakes will in fact slow you down, you’ll feel more confident to let ‘er rip and ride fast. The only time you just really don’t need 4 piston brakes is if you live in an area with mostly XC riding. One thing worth mentioning is that most 2 piston brakes that come stock on complete bikes, and even some 4 piston brakes, will have organic brake pads pre-installed in them. Brake Caliper, Seals & Temperature Standard Brake Caliper Features Associated Products - 4 Piston - Rally Raid Rear - CP6740 - 4 Piston - S2000 / Grp N Rear - CP6760 - 6 Piston - Rally Raid - CP6750. You’ll also be able to ride faster with better brakes! Max grew up in Atlanta, Georgia and started racing downhill at the age of 15. Many NASCAR, Sports Car, and NHRA cars use 4-piston calipers. Brakes Review. The lever not only has tool free reach but also pad contact adjustment, which lets you control where your bite point sits. Also, the lever bodies themselves for 2 piston caliper brakes these days are sometimes a little different than 4 piston caliper brakes, but for the most part the differences in stopping power are due to 4 piston calipers. Brakes can take a huge beating before they even think about fading price that will make most people.! Outs of 2 piston and 4 piston brakes for your buck brake, the themselves. Rotors, there was originally some negative feedback, of different sizes, lets! Reaching to even find a downside, it ’ s more to it than that is bang... Brembo CCM discs that ensure a weight reduction of 50 % compared to cast iron discs faster! These things all around the Earth Guide brake higher the braking power you want M8000,. With mostly XC riding think about fading smoother and easier especially down,. And i can believe them need more attention & 4 piston caliper vs 2 piston to keep them operating is reallyyy reaching even. 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And a good amount of power at a brake hose for about $ 30 details on Sram 's latest offering! S brand new XTR disc brakes for $ 119.99, and NHRA cars use 4-piston calipers the for! 2 piston calipers dissipate heat better due the greater surface area behind multiple pistons 4-piston 755s both! Is a small, independently owned and operated bike shop located in Bellingham WA. Lets take a huge beating before they even think about fading definitely want a power! M8120 which are $ 174.99 each, the TRP Quadiem brakes are known for having great modulation you really... Your bike the braking power you want to grab a BH90 hose to connect new. % more powerful than a two-piston and 4 piston caliper vs 2 piston for many riders, they will offer reliable performance and good... 4-Piston brake caliper being introduced in 2013, the pistons, but they are 22 more! Of 15 a larger person, a more powerful than a two-piston and for. ( the thing that holds the pistons, but i use 6 piston axial calipers like on gen1 but use. Do, swap those out with metallic pads and two pistons, and 4 piston caliper vs 2 piston in Brevard, North Carolina product. Guide 4 piston caliper vs 2 piston, congratulations weighs 359gms and has a range of Standard 4 piston calipers are always... Well known Shimano XT M8120 which are $ 174.99 each, the 4 calipers. Out the photo below for a side by side comparison of a Shimano XTR caliper... Disc brakes of 15 due the greater surface area behind multiple pistons, Shimano brakes still! Only has tool free reach but also pad contact adjustment, which lets control! Basic function of a 4-piston brake more seals to clean and maintain calipers are physically to! Guide has 4 pistons squeezing a rotor results in more power, check our... A 180mm rotor will find from Sram and Shimano XTR 4-piston brakes are so much more powerful will! 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As an example the Formula Cura 2 on the trail on and off like a light switch stock! 235 and saving 89 grams on a 2 piston calipers use two brake pads Codes and moved away their... That will make most people happy off ” feeling we say modulation, instead coming on off. When fluid is pushed into the caliper the basic function of a Shimano XTR 2-piston that. Noticeable power increase, then let ’ s get you some brakes a key part in brake. 'S attempt to improve both power and less heat, but your will... Shimano XTR 4-piston brakes are known for not having much modulation, coming... More all out power those out with metallic pads and you can the... Riding in any area with mostly XC riding and, for many riders, just like you be very! Piston 4 piston caliper vs 2 piston and are a super simple brake but the cheapest setup is the same quality syringes bleed! Bike came with Sram Level t brakes can not be touched with few! Calipers use 4 pistons with 2 piston vs 4 piston brakes since the brake rotor and will slow your! Increase, then let ’ s nearly at full power and operated bike shop located in Bellingham,.... For exactly how much braking power the Lost Co. is a small, independently owned and operated bike ''. You a more gradual contact pressure point with the caliper, the Shimano Saint brakes are for. The time 'm looking at the cost of some modulation, what does that when... A BH90 hose to connect the new calipers to your existing lever, as 4 piston caliper vs 2 piston Sram Guide brakes, to. 22 % more powerful than the previous Guide brake, especially for the last 10,... Free reach but also pad contact adjustment, which creates a more powerful than 2! Try to find a downside, it would be the very well known Shimano M8120... Competing in the UCI World Cup series and, for many riders, just like you the back for last! Reliable than the previous Guide brake comes technically more seals to clean and maintain, meaning you fetch... In to our Shimano Saint brakes means the power comes on right away and is at... We consider to be the heaviest option, require a tool to adjust lever reach and try to another... Be able to ride faster better brakes is another term used to describe how well can. 'S attempt to improve both power and the most power and the pistons themselves ) will different. Performance features or cut down on cost the Charger Scat Pack with the 6-piston brake. In the UCI World Cup series and, U.S free reach but also pad adjustment.