Precise thread without burrs, no damage to the frame, close fit to enhance stability, not easy to slip. Equipped with 4 aluminum alloy gaskets of different thicknesses, adjustable width, suitable for bicycles with different widths of rear axles, compatible with more. Aluminum alloy material, CNC processing, adjustable length, easy installation.<br><br>Product name:Bicycle Trailer Thru Axle Adapter Size:Length 215mm, thread length 36mm (As Pictures Show) Model:P1.5 160-178MM Colour:Black Material:aluminium alloy<br><br>Package Contents: 1 * Bicycle Trailer Thru Axle Adapter<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.