The M-WAVE Stalwart Axle Shimano Thru Axle with Lever is suitable for mounting a trailer to the rear of your bike. This aluminum thru-axle comes with a quick release and additional spacers to adjust the position of the quick release lever. The axle is suitable for 12 mm thru-axle hubs and for boost hubs with OLD 148 mm, and has a thread pitch of 1.75 mm.