Replacement snap-in nylon shims for the RockyMounts DriveShaft product line. Shims enable DriveShafts to carry a 15mm thru-axle equipped bike. Shims can be used on RockyMounts DriveShaft, DriveShaft HM, and DriveShaft SD.
Note: these are not compatible with RockyMounts FlyTrap model bike adapter. Sold as a set of TWO.