DT Swiss 12x135mm Thru Axle End Caps for 11-speed road: 180, 240s and 350 hubs Compatible with 12x135mm thru axle frames and 11-speed road freehub bodiesassettes End caps work with all classic flanged 11-speed road compatible DT hubs and wheels If using with a SCS frame, you need convert to a standard drop out first Rear axle conversion kits convert your hub to fit a new axle measurement or for a new group set. Remember that all DT Swiss hubs can be converted.