Shimano Deore XT BL-M8200 / BR-M8220 Brake Upgrade Kit The Best Braking If you're looking for the best braking performance out there, then look no further than Shimano XT. XT brakes have been the pinnacle of braking performance for mountain bikes for many years now. The Shimano Deore XT BL-M8200/BR-M8220 Brake Upgrade Kit takes the near-perfect lever and makes it even better. It features brand-new low-viscosity mineral oil and seal architecture. It also features improved lever ergonomics and a lower-profile inline master cylinder and hose. The Shimano XT brake caliper comes with new high-performance resin pistons that don't crack like ceramic pistons do. Features Brand-new low-viscosity mineral oil and seal architecture Lower-profile inline master cylinder and hose Improved lever ergonomics for a better ride feel The upgrade kit comes with BL-M8200, BR-M8220 (LF & RR), 1000/1700mm (BH90), metal pad with fin, oil, and 2x connector inserts Upgrade kits are backwards compatible with Shimano 12-speed MTB drivetrains | Shimano | Deore Xt Bl-M8200 / Br-M8220 Brake Upgrade Kit Front And Rear Brake Set