Clarks VX865 CMD-21 Disc Pad MFPN=20579 For adjusting plastic bolt on

For adjusting plastic bolt on the end of Shimano Hollowtech II cranksets

Bolt-on compatible for TT or Time Trial bikes

Self-cleaning tread: Leave the mud behind and go full throttle

Redesigned rim shape has been optimised for improved crosswind stability and aerodynamic drag

Bearing Type Cartridge Bearing Type Stainless Steel Color Purple Crown Race 40 S

Clarks VX865 CMD-21 Disc Pad MFPN=20579 For adjusting plastic bolt onEngineered for competition riding with a Kevlar compound for high frictional properties, ceramic content for improved wet weather performance and increased copper content for superior low speed breaking Grooved backing plate improves airflow between the piston and pad Use Shimano (G type 2 piston) for Clarks M1 M2 M3 pads Use Shimano (B type 2 piston) for Clarks Clout 1 Model Clarks CMD 19 20 21 Compound Backing Organic Steel