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Improved power and modulation.
Aiming to improve on both the braking power and modulation, Shimano introduces the XT BL-M8020 4 Piston Disc Brake Package with an upgraded 4-piston caliper that boasts an impressive 20 percent increase in braking power and better heat dissipation than the current 2-pistion caliper. What remains the same is the lever shape with an integrated master cylinder and the stealthy black finish that matches the rest of the current XT group. The narrow clamp creates a tidier cockpit, so it plays better with remote lockouts and droppers and for the ultimate in integration and streamlining. Plus, it's compatible with the latest generation of Shimano's I-Spec II shifters, which saves you bar space by attaching shifters and brake levers with a single clamp.
Ideal candidates benefiting from the four-piston calipers would be heavier or more aggressive trail and enduro riders, as well as those riding on heavier e-bikes. The increased power and modulation will come in handy on steep, technical terrain where stopping quickly can be the difference between safely dismounting before an unknown feature or plunging off the abyss. Additionally, the included BL-M8000 lever offers tool-free reach adjust for getting its fit and feel just right on the trail, as well as free-stroke adjustment that lets you pick how much throw the lever has before the pads make contact with the rotor.
Shimano reworked the pivot location so the arc of the lever mimics the natural movement of your fingers for enhanced power. The superior modulation is due in part to the Servo Wave technology that adjusts the piston's travel relative to lever travel. As you squeeze the levers, the gap to the rotor quickly closes, then slows to permit predictable modulation. This allows the pads to sit further inbound relative to the rotors so they are less likely to drag. The 4 ceramic pistons push Radiator Pads with integrated fins that dissipate heat and reduce fade on long descents full of trail features. An adjustable banjo fitting allows for easy hose management and the routing of various frame designs.
This disc brake package includes both front and rear calipers, levers, and hose assembly for the XT BL-M8020 4-Piston Disc Brakes, as well as Shimano's XT SM-RT86 Ice-Tech Rotors for improved heat dissipation on those scorching descents. Pick between a 180-millimeter front and rear Ice-Tech Rotors for all-around trail riding or choose the bigger 203-millimeter front, 180-millimeter rear Ice-Tech Rotors for even better braking power if you're a more aggressive or heavier rider. Note, it comes pre-bled and ready to install and it's I-Spec II compatible for less bar clutter with Shimano's newer generation trigger shifters.
- Increased power and modulation for aggressive riding
- 4-piston caliper improves power by an impressive 20%
- Better modulation allows for precision on technical trails
- Ceramic pistons reduce heat build-up on scorching descents
- Finned pads and Ice-Tech rotors further reduce heat build-up
- I-Spec II clamp frees up essential real estate on handlebars
- Package with pre-bled lever/caliper/hose assembly for front and rear
- Includes Shimano Ice-Tech Rotors in either 180/180mm or 203/180mm
- Item #SHI00LI
- Q & A
- Familiarity: I've put it through the wringer
Pretty cool brakes. I have been a fan. Stopping power is great. It can be a little inconsistent, but it is minor. I would 10/10 buy again.