Kickr thru-axle kit comes with everything you need to mount most 142×12 thru-axle bikes on your KICKR SNAP indoor trainer. It includes threaded axle spacers in 3 sizes (M12 x 1.75 Coarse, M12 x 1.5 Medium and M12 x 1.0 Fine) plus the end cap.
Note: This kit is for 142×12 bikes only. Not compatible with 135×12, 148×12, or any other thru-axle system.