Shimano GRX, with its gravel specific ergonomics, optimized gearing options, rugged reliability, & quiet & stable drivetrain, sets itself apart from the rest of the component world Low profile flat mount design GRX hydraulic disc brake calliper gives you control, modulation & power with minimal effort in all riding conditions Simple set up & maintenance with easy & clean bleeding system Contains BR-RX810 flat mount front brake calliper with pads. Front
Includes:: 140/160mm adapter. Rear
Includes:: no adapter