Shimano DURA-ACE R9170 Hydraulic Disc Brake Flat Mount Choose:Rear 8mm spacer for XD compatibility

8mm spacer for XD compatibility

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

Output: 1000 lumens

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

Shimano DURA-ACE R9170 Hydraulic Disc Brake Flat Mount Choose:Rear 8mm spacer for XD compatibilityBetter 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)"