Castelli Core Seamless Base Layer White SM/MD RGroup_AB408003D0544EEDCB1FC24B002AA4CE7CD69AEA Experience fresh and crisp shifting

Experience fresh and crisp shifting with the new Sram shift cable

Constructed from alloy #6061-T6

durable 6061 aluminium construction

A protective plate on the underside prevents tire contact damage and also serves as a fender

Upgrade your bike with the Aforge Derailleur Hanger - 163

Castelli Core Seamless Base Layer White SM/MD RGroup_AB408003D0544EEDCB1FC24B002AA4CE7CD69AEA Experience fresh and crisp shiftingThe Castelli Core Seamless Base Layer White SM MD is a soft, ultra lightweight first layer engineered from a polyester and polypropylene blend that rapidly moves moisture away from the body. Its seamless construction delivers exceptional stretch and next to skin comfort while offering effective temperature regulation in mild to cool conditions, making it ideal for multi hour rides between 15 and 25C.