These are individual pairs of end caps for the Speed Tuned 160 Front hub and Speed Tuned 280 Rear hub. Please select your size. Rear ST280 Boost (12mm x 148mm) hubs can be converted to QR141 simply by installing the end cap option below “REAR QR 10mmx135mm”. NOTE: Options with a (*) next to them are not common axle sizes and are for specific bikes, they are not commonly used. Please make sure to check with a shop or your bicycle manufacturer if you are unsure of the size you need. ** These end caps are for use specifically with ST160 Front hubs and ST280 Rear hubs. ***The ST160 and ST280 hubs require a 12mm Hex wrench as stated in the video. For information on how to change ST160 and ST280 series end caps please view this video.
