absoluteBLACK Premium Oval Road 38T Shimano 9100/8000 - Blk HS&LS compression 800mm wide downhill bar with

800mm wide downhill bar with 20mm of rise

In contrast to floating discs the torque is transmitted to the dovetail-shaped toothing over its entire surface instead of just the rivets increasing the rigidity of the brake disc and the degree of heat dissipation under continuous load

This allows riders to go faster at the same power output and through corners with confidence

} Angular contact cartridge bearing

absoluteBLACK Premium Oval Road 38T Shimano 9100/8000 - Blk HS&LS compression 800mm wide downhill bar withCompatibility: Shimano Dura Ace 9100, R9120, R9150 & R9170 Di2 and Ultegra 8000, R8020, R8050 & 8070 Di2, 105 R7000, R7020, R7070. They can also retrofit all 9000 and 6800 series cranks but use bolt covers for best appearance. 10 11 12sp compatible For outer chainring please order "long bolts" from us OR bolt covers. Changing inner chainring to oval only? use original bolts Inner and outer oval chainrings are optimized with smooth shifting in mind