Shimano DURA-ACE R9170 Hydraulic Disc Brake Flat Mount Choose:Rear 99mm Interface DUB Primary Color

99mm Interface DUB Primary Color Black BB Bearing Steel Cup Diameter 46mm BB Shell Type PF30 BB Shell Width 100mm

Brake Hose Kit: SM-BH90-SBM

Tube-shaped tail to improve aerodynamics

8mm spacer for XD compatibility

with an extended reach forward and a slimmed-out bicep shape

Shimano DURA-ACE R9170 Hydraulic Disc Brake Flat Mount Choose:Rear 99mm Interface DUB Primary ColorBetter control and confidence in race conditions Optimally balanced hydraulic brake system for racing Light weight Improved heat dissipation: ICE TECHNOLOGIES FREEZA Simple set up and maintenance Easy tool access FLAT MOUNT system Wide pad clearance and chamfer of brake pads One way bleeding: Easy and clean bleeding process Designed as optimum balance of hydraulic brake system for racing purpose Brake Pad Types: L02A R, L04C M (K02S R, K04S M)"