NEW Shimano GRX SM-RT64-M Disc Brake Rotor with External Lockring - 180mm, Center Lock, Silver variant-size-43-eu-mens Derailleur Capacity: 20

Derailleur Capacity: 20

and dynamo cable routing

100% silicone grip that provides shock absorption and increases comfort and control on the bike

Center and intermediate knobs on the Raddler are slightly taller than those on the original Riddler

Simple on/off lever controls the internal clapper

NEW Shimano GRX SM-RT64-M Disc Brake Rotor with External Lockring - 180mm, Center Lock, Silver variant-size-43-eu-mens Derailleur Capacity: 20The Shimano GRX SM RT64 disc rotor delivers powerful and consistent braking performance in all riding conditions. The Center Lock mounting system makes installing and removing rotors quick and easy, thanks to the spine mount and lock ring design. Compatible with both resin or metal pads Includes external type rotor lockring Rotor Size (mm): 180 Hub Disc Compatibility: Center Lock Disc Pad Compatibility: All Pad Compounds Rotor Type: Two Piece