The thru-axle kit comes with everything you need to mount most 12x 142 thru-axle bikes on your KICKR SNAP indoor trainer. This accessory will work with all editions of the Wahoo KICKR SNAP. It
Includes:: the following: Threaded axle spacer M12 x 1.75 Coarse M12 x 1.5 Medium M12 x 1.0 Fine End Cap