These are individual pairs of end caps for the Speed Tuned 170 Front hub and Speed Tuned 300 Rear hub. Please select your size.
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 ST170 Front hubs and ST300 Rear hubs.
***The ST170 and ST300 hubs require a 12mm as stated in the video. For information on how to change ST170 and ST300 series end caps please view this video.