Castelli Core Seamless Base Layer SS - White Size:S/M Confirm your brake model uses

Confirm your brake model uses black banjo fittings before ordering

Installation uses RideWrap's pre-cut template format

and sodium to support hydration

The kit includes two stems

featuring precision sealed bearings in both pulley wheels for smooth

Castelli Core Seamless Base Layer SS - White Size:S/M Confirm your brake model usesWhat Does the Castelli Core Seamless Base Layer SS in White Do for Your Ride? The Castelli Core Seamless Base Layer SS in White is the warm weather short sleeve foundation layer that works under any summer or spring jersey without showing through as a dark underlayer. Seamless construction removes the shoulder and underarm seams that generate friction over long hours on the bike in an aggressive position, and the snug body mapped fit stays flat