Axle Nut - Pin-Lock - Rear - M18 x 1.5" Plastic-pin of the pin-lock accommodate thread form and locks with friction, simple assembly with a regular hexagon nut, Multifunctional application: safety for different bolted joints such as rear axles, pivot shafts, yokes etc, Innovative pin-lock secure high locking characteristics, A 20 gram lightweight axle nut in a shapely design, Compliments the TCA chain adjuster kit, Made of titanium Ti-6Al-4V, For rear axles only.