While maintaining pressure on the lever, tighten the bolts to set the caliper adjustment. 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. AUD NZD, is 27 years old, and lives in Brevard, North Carolina. MTB Disc Brake (pre-2020/older), Shimano I-Spec (pre-2020, I-Spec B) Welcome to the Shimano official corporate website. Tapping on the brake hose can help dislodge any bubbles stuck in the line. Shimano Deore XT BR-M8120 4-pistons Disc Brake Set w/ N03A Pads New. Before the brakes will provide full power, you’ll want to properly bed in the brake pads. We inspire all people to enjoy our products in their everyday lives and where they take them. Shimano shipped the four-piston test brakes with their finned resin pad but there is also a non-finned resin option.There are finned and non-finned metallic options as well. If you haven’t invested in a portable bike repair stand its nice to have as well. Check to be sure you have the correct adaptors on hand before starting. As with XTR, the XT and SLX brakes are available with 2-piston calipers and with 4-piston calipers. Shimano XT BR-M8120 4-piston Disc Brake Set w/ N03A Resin Pads New. Max grew up in Atlanta, Georgia and started racing downhill at the age of 15. 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. 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. 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. During the installation, the biggest change you’ll encounter between the models is how the Shimano I-Spec mounts to the shift levers. Free shipping. To learn more about Max, check out Max's rider spotlight here! If we’ve done our job right, once we pump the brakes a few times we’re set. SRAM › Then thread the loaded funnel into the bleed port. Pull brake lever & open and close bleed valve - shoots air in the valve into the bleed syringe. The Shimano Deore XT BR-M8100 series hydraulic disc brake caliper offers powerful MTB braking and a lightweight design. Proper setup and functional brakes are crucial for the safe operation of any bike, so when in doubt, have the bike and brakes checked over by an experienced bike tech before riding. Once you remove the stopper, just squeeze the lever and watch brake fluid displace the air in the line. It has an optimized lever axle position and refined ergonomics. What sets the the TRP Quadiem brakes apart from the rest is their bang for the buck. 4 piston calipers are physically bigger to fit the extra piston, meaning there’s space for more fluid inside. To say they come on strong, well, that's an understatement. Max grew up in Atlanta, Georgia and started racing downhill at the age of 15. 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. It's important to keep in mind that each of these different brake sets were ridden and tested with "stock" rotors and pads. The Saint brakes are very easy to bleed and maintain, meaning you can have them running top notch all the time. If you a fan of Shimano's instant "on and off" lever feel, you can't go wrong with the Saint brakes. Sorting out the different model year lever and shifter is probably the most troublesome part of the install. 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. 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. $416.69. Spraying the rotors with water or rubbing alcohol can aid in speeding up the process. TRP ›, Currency: TRP also doesn't offer the same quality syringes and bleed kits that you will find from Sram and Shimano. or Best Offer. How tight to tighten the bolts? Then we’re simply replacing the brake pads. The brakeset comes with a 4-piston brake caliper that provides powerful brake control and is compatible with Shimano ICE brake pads. With 1x drivetrains being the norm, the installation of the front brake is uncomplicated. More about TRP brakes, Sram 's previous 4-piston trail offering similar.. 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