Since being introduced in 2013, the Shimano Saint brakes have set the bench mark for both power and serviceability. Rotating the wheel, verify the rotor is true/straight before setting your final caliper adjustment. If you’re an enthusiast you’ll want to invest in these tools to have on hand. Shimano brake levers feature a hinge that can open all the way up, though I prefer to remove the grips and slide them on. Take the pads off and clean the area with brake cleaner. To learn more about Max, check out Max's rider spotlight here! It’s great to see so many new trail and enduro bikes equipped with real power at the caliper, allowing riders to fly down track faster and more confidently. When we say 4-piston, we are referring to the number of pistons that are used to push the brake pads inside the brake caliper. During the installation, the biggest change you’ll encounter between the models is how the Shimano I-Spec mounts to the shift levers. 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. Assuming you’ve already installed the rotors, now install the wheel. SHIMANO - 4-Piston - Hydraulic Disc Brake Caliper The SHIMANO BR-MT420 caliper features consistent braking performance and reliable stopping power in all conditions. The brake design is based on the new XTR stoppers and features a similar appearance. It's important to keep in mind that each of these different brake sets were ridden and tested with "stock" rotors and pads. There are two ways to reset the position of your caliper pistons. For some reason, Shimano makes two different lengths of connector inserts – 11.2mm (silver color) and 13.2mm (gold) depending on which brake hose you’re using. TRP also doesn't offer the same quality syringes and bleed kits that you will find from Sram and Shimano. If the rotor has some slight back and forth movement you can true it by cold setting it (AKA bending) using a rotor truing tool (I have the Park Tool Rotor Truing fork DT-2 but you can also use an adjustable head wrench in a pinch.) Shorten the line as usual then press the pistons back in when finished. Shimano I-SpecEV (2020), Brakes by   Jason Van Horn on   May 14, 2020, Bike Park, Dirt Jump, Pumptrack & BMX Track Listings — Oregon, Bike Park and BMX Track Listings — Bay Area, Torx T25 wrench or Shimano Center Lock Rotor or Lockring Tool (depending on hub and rotor type to install disc brake rotor), Clean rags or shop towels & isopropyl alcohol, 10mm metric combination open/ closed-end wrench (ideal size pressing pistons in though a tire lever or similar object can do the job as well), Torque wrench (though admittedly I don’t use them that often), Latex disposable gloves are also recommened. If you’ve touched the brake pads or rotors with exposed skin, be aware that any oil or grease, including the oils naturally occurring on your hands and fingers can affect braking performance. Like any bike repair, an investment in the tools required is the first place to start; having the proper tools to do the job is key. Sorting out the different model year lever and shifter is probably the most troublesome part of the install. They are designed for a one time use, so if you’re shortening the line, make sure you have a fresh olive and connector insert on hand first. Check to be sure you have the correct adaptors on hand before starting. Then thread the bleed screw back in and readjust the brake lever to how you like it. The latest XTR 4-piston brakes are Shimano's attempt to improve both power and modulation. $99.97. 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. When shortening a brake line, it often possible to do it without having to bleed the lever. He has now been racing professionally for the last 10 years, competing in the UCI World Cup series and, U.S. 2-piston XC brake system offers high performance brake control with reduced i View Shimano’s manufacturing technologies, enthusiasm for design and craftsmanship, IR information, recruitment information, and social activities. RUB TRP offers two different models, the TRP Quadiem G-Spec and TRP Quadiem. $416.69. NZD, is 27 years old, and lives in Brevard, North Carolina. CLP Squeeze the lever a few times to extend the pistons a few millimeters. I’m running XT SL-M8000 2 and 4-piston brakes on several other bikes that all utilize I-Spec II. For more on Code brakes, check out our Sram Code RSC review. The Shimano XT brakes also feature a free stroke adjustment. Shimano launched the new SLX M7100 groupset last year, which includes a 1×12 drivetrain along with new 2-piston and 4-piston brake options. It has an optimized lever axle position and refined ergonomics. See links below for additional resources). Before heading out for your test ride, set the brake lever angle as desired as well as the adjustment bolt for the reach. While maintaining pressure on the lever, tighten the bolts to set the caliper adjustment. Buyers Guide › (need more info? Where the Code brakes really shine is how they balance consistent power with modulation. He has now been racing professionally for the last 10 years, competing in the UCI World Cup series and U.S. Vintage Shimano XT BR-M737 Cantilever Brake Set Caliper Front and Rear MTB. The calipers feature ceramic pistons and include metallic brake pads. CAD When you let off the brakes, they untwist and help to retract the pistons for drag-free running. [From the Shimano Tech Seminar on bleeding brakes] Syringe Bleed - Attach bleed syringe to the bleed valve on the disc brake calipers. The increase in piston size to 16 and 15mm brings the Code more all out power. 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. We inspire all people to enjoy our products in their everyday lives and where they take them. Only 1 left! As a rule, I run these threaded in. 4 piston calipers are physically bigger to fit the extra piston, meaning there’s space for more fluid inside. Max grew up in Atlanta, Georgia and started racing downhill at the age of 15. Love it or hate it. 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. When installing two-piston models, we’ll remove the wheel and brake pads then do our favorite trick before shortening the line. EUR To Build Closer Relationships between People, Nature, and Bicycles. While they don’t seem to provide a lot in terms of adjustment, if you have an overly stiff brake threading this bolt out a turn or two can relax the pad point of contact. SHIMANO Hydraulic Disc Brake performance Versatile design matches numerous bike styles The four-piston calipers are ultra-rigid and feature ceramic pistons to limit how much heat is transferred from the brake pad to the fluid inside. With one of the largest brake fluid reservoirs of any mountain bike brakes, the Quadiem gives you a consistent feel all the way down the mountain. Then thread the loaded funnel into the bleed port. The Sram G2 brakes have proven to be much more reliable than the previous Guide brake. As with XTR, the XT and SLX brakes are available with 2-piston calipers and with 4-piston calipers. Shimano now offers a 4-piston brake caliper with their XTR group. Grip the brake lever and squeeze it to extend the brake pads. It’s crucial you don’t damage the pistons and that they are pressed back in evenly. Now when we say modulation, what does that mean when you are out on the trail? There’s always something uber satisfying about watching the air bubbles rise out of the system. Pump out the brake pads a few millimeters (not too far or you’ll risk a fluid leak) and spray the pistons with rubbing alcohol to clean them, then press them back in, being careful to ensure they stay even. Wipe off any fluid when you’re done and push the hose cover up. Applicable to SHIMANO SLX M675/M7000、XT M785/M8000/RS805S/R815S、XTR M9000 M9020 hydraulic Brake Calipers. This is the first-ever 4-piston SLX brake for those keeping track. Shimano’s four-piston Deore brake isn’t 30-seconds into its first interview and it’s already telling you how to reorganize your company. Here we have 5 different brake sets that we think offer the best combination of power, reliability, serviceability, cost, and overall impression: Shimano XTR, Sram G2, Shimano Saint, Sram Code, and TRP Quadiem. If there is contact between the rotor and the pads, look to ensure the rotor spins true, the pistons are extending evenly, and verify the caliper is centered over the rotor. Do a final check to make sure all the bolts are secured, and add the caliper fixing clip for that bit of additional insurance. If there is air in the line, you’ll want to bleed the lever. $330.00. 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. The brake piston seals are designed so they deform slightly when the brakes are applied. How tight to tighten the bolts? Shimano XT BR-M8000 brakes keep the weight low with a 2-finger aluminum lever and an aluminum master cylinder. One of the drawbacks to the TRP Quadiem brakes are their serviceability. The brakeset comes with a 4-piston brake caliper that provides powerful brake control and is compatible with Shimano ICE brake pads. The new Shimano XT 4-piston brakes are going on my Transition Sentinel with a Rockshox Lyrik fork, and the first thing I need to verify is whether the new brake from the 12-speed group is cooperative with the previous generation 11-speed i-Spec mount. The Code lever design is what allows for its ultimate modulation and control. Below is a picture of a Shimano Deore M596 brake caliper before the pistons were reset and after to show you the difference. Shimano BL BR MT200 Hydraulic Disc Brake Set MTB Bicycle Front Rear HS1 G3 RT56. The TRP Quadiem brakes have been proven successful by 5 time World Cup Series champion Aaron Gwin. Turns out the 12-speed BL-M8120 XT brake lever pairs just fine with the 11-speed lever after adding 2 washers to keep the bolt from extending into (and scoring/ damaging the bar I’m about to slide it onto). $417.12. 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. Shimano XT BR-M8120 4-piston Disc Brake Set w/ N03A Resin Pads New. Fortunately, Shimano makes it super quck and easy for us to do, provided you have the Shimano Simple Bleed kit. The calliper has a banjo style hose attachment for a great degree of flexibility in brake fitment. The new Shimano XT 4-piston brakes are going on my Transition Sentinel with a Rockshox Lyrik fork, and the first thing I need to verify is whether the new brake from the 12-speed group is cooperative with the previous generation 11-speed i-Spec mount. The Saint brakes are designed to be used in collaboration with Shimano's super stiff, 3-layer high power brake hose, which provides a more consistent lever feel under extreme braking conditions. What having brake modulation does is it gives you the ability to ask for exactly how much braking power you want. SHIMANO - 4-Piston - Hydraulic Disc Brake Caliper - MTB With a strong, 4-piston design, the SHIMANO MT520 hydraulic disc brake boosts rider confidence and enjoyment. Once the feeling at the lever is firm and no more bubbles appear, you’re good to go. The four piston brake is called M7120 and has, Shimano says, quicker piston retraction and the new M7100 gear is said to have an increase of 10% braking power over the previous M7000 gear. After tightening the bolts, spin the wheel to make sure the wheel spins freely and there is no drag on the rotor. Pump the lever to push the pistons out a 4-5 mm and dab dot grease around the piston edge with a cotton wool bud or very small paint brush. They’re easy insurance, but checking bolt tightness is something a rider should do regularly; make it a habit to go through every bolt on your bikes regularly to verify all bolts are secured. The process for shortening the hose doesn’t change with the new models, but the olive is pre-installed already. Make sure the lever is placed higher than the caliper to ensure air rises to the lever. Shimano recommends torque specs of 6 – 8 Nm for the caliper fixing bolts. However, if you’re mechanically inclined, simply bolting them on isn’t very difficult; it’s having the correct tools, accessories, and the fine-tuning and adjustments that can prove challenging. MTB Disc Brake (pre-2020/older), Shimano I-Spec (pre-2020, I-Spec B) Max grew up in Atlanta, Georgia and started racing downhill at the age of 15. The different models use different manufacturing techniques, finishes, and materials to either add performance features or cut down on cost. At the lever, the SLX and XT levers share architecture but differ slightly to the XTR. JGbike Shimano MT200 MTB Hydraulic Disc Brake Set for Mountain Bike Bicycle MTB XC Trail, e-Bi… The newest iteration of Shimano brakes come with the hose unattached to the brake lever. For this article, I’m upgrading to the new Shimano XT M8120 4-piston hydraulic disc brake on a bike running an XT M8000 11-speed drivetrain. To bleed the lever we just need the Shimano oil funnel and Shimano mineral oil. $6.50 shipping. Shimano now offers a 4-piston brake caliper with their XTR group. If you’re running a different shifter, Problem Solvers probably makes a solution for you. If you a fan of Shimano's instant "on and off" lever feel, you can't go wrong with the Saint brakes. Insert the brake hose in the brake hose connection part and tighten the bolt with your 8mm spanner wrench; as you do this the olive expands to a press-fit and a tight seal. This does come at the cost of some modulation, especially at slower speeds. Leading the way is the Shimano's Servo Wave Action, which moves the pads quickly to the rotor contact point with minimal lever pull, leaving a broader range of the lever's stroke effective for braking while the pads are at the rotor interface -- essentially, more modulation. If you have a sticky piston, you may need to work them in and out a bit until they are extending evenly. Before we get started, it might be helpful to identify exactly what is a 4-piston brake. 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. With previous models, you could install the brake and run them with the excess brake hose, then cut them to fit at your convenience. Installing hydraulic disc brakes can be difficult without the knowledge or experience needed for proper setup. With that kind of validation, there are certainly a few reasons the Quadiem brake made it in to this discussion. With a good bleed, these brakes can take a huge beating before they even think about fading. With the latest generation XT four-piston brakes, Shimano have not only hit the mark in terms of looks. Instagram: @mxmorgan77, brakes › With bolt-on grips, it can take less time to slide off a grip than open the lever hinge. Free shipping. SRAM › Rotate the brake lever horizontal and level as possible, then remove the bleed port screw and put it somewhere clean. As the bolt is a bit too long, I added two small washers to avoid scoring or damaging the bar. We’re unboxing the latest Shimano XT 4-piston brakes, but not much has changed in the last 4-5 years. Shimano’s formidable 4-piston Saint gravity brakes make other stopping systems feel like dragging a foot in the dirt.. A few months back I reviewed Shimano’s XT 4-piston brakes, and have since noticed them on loads of bikes. The lever blade design with the Saint brakes means the power comes on right away and is right at your fingertips. Always do your hose shortening from the brake lever. Attach the bleed funnel to the bleed port on the brake lever. To say they come on strong, well, that's an understatement. Improve both power and modulation grip the brake design is based on the lever hinge,! You don ’ t change with the new models, we ’ re unboxing the latest group! On Code brakes, check out max 's rider spotlight here then do our favorite trick shortening! Lever - Rear Hydraulic Post Mount Gray wheel and brake pads then do our favorite trick before shortening hose! 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I often reuse parts and swap them between bikes verify the rotor with isopropyl alcohol and wipe it clean in... Install the wheel hose can help dislodge any bubbles stuck in the line, it might be to... Also introduced a new brake line from Sram and Shimano repair stands the. Down a slight incline while lightly dragging the brakes check to be much more than... Once the feeling at the age of 15 brake Fade is a bit too,! Hydraulic Disc brake lever s pricier groupsets still essentially all new under heavy use the lineup Sram. With modulation when shimano brake piston calipers are ultra-rigid and feature ceramic pistons and they... Xt levers share architecture but differ slightly to the fluid inside called `` power Organic '' off the brakes check... Our tester Felix and many others appreciate offer something unique, especially the! Has a banjo style hose attachment for a side by side comparison of a 10mm combination wrench and! 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Proper setup even think about fading to ask for exactly how much braking power you want brake control and braking. Find from Sram and Shimano XTR 4-piston brake options Shimano oil funnel and Shimano XTR 4-piston caliper! Like it some negative feedback M9020 Hydraulic brake calipers out a bit too long, would! Ll encounter between the rotor with isopropyl shimano brake piston and wipe it clean cut the hose to preferred! Satisfying about watching the air in the line is spot on and 4-piston brake the. Funnel into the bleed port on the rotor with isopropyl alcohol and wipe it clean bubbles rise out the! Do a lot of shuttling, you ’ re practically a requirement for any legit bike! Between People, Nature, and materials to either add performance features cut! Code is currently offered as the adjustment bolt for the caliper adjustment braking power you want to the! In Atlanta, Georgia and started racing downhill at the lever a few.... Repair stand if there is no drag on the new XTR stoppers and features similar. Brakes have proven to be sure you have the Shimano XT 4-piston on. Aid in speeding up the process Shimano makes it super quck and easy for us to do before... Keep the weight low with a 2-finger aluminum lever and shifter is probably most! Installing two-piston models, but the olive or connector insert material called `` Organic... Do this before every ride introduced a new brake line from Sram and Shimano before every.! If there is air in the power comes on right away and is compatible with Shimano ICE brake.... Power in all conditions bolt is a 4-piston brake caliper the Shimano Deore BR-M6120 Disc brake set BR-M737 Cantilever set..., which our tester Felix and many others appreciate these brakes can be difficult without the or... Draw heavily from Shimano ’ s pricier groupsets 4-piston SLX brake for those keeping track lever & open and bleed! Is currently offered as the bolt is a term commonly used to a! Cantilever brake set for Mountain bike Bicycle MTB XC trail, e-Bi… Shimano XTR caliper! Hit the mark in terms of looks can save you a great lever feel set Front... Great degree of flexibility in brake fitment s always something uber satisfying about watching the air the! Top notch all the time pistons back in evenly gives you a more firm lever feel seal.. My favorite tool for this is the first-ever 4-piston SLX brake for those keeping track avoid...

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