The Wahoo Kickr Snap 142x12mm Adaptor comes with everything you need to mount most 12x142 thru-axle bikes on your KICKR SNAP indoor trainer. This accessory will work with all editions of the Wahoo KICKR SNAP.    Wahoo Kickr Snap 142x12mm Adaptor Contents Threaded axle spacer M12 x 1.75 Coarse M12 x 1.5 Medium M12 x 1.0 Fine End Cap Tools required: 6mm and 2mm hex key. Video incorrectly notes 2.5mm Please Note: This kit is for 12x142 bikes only. Not compatible with 12x135, 12x148, or any other thru-axle system.