High quality 6mm x 6mm hardened key steel, used to slot into the keyway on your 30mm rear axle, to securely lock the rear hubs and sprocket drive hub onto the axle. Supplied in a longer than required length of 300mm, which can be cut to length easily with a 1mm steel cutting disc, keep the rest as spare.
- 300mm length in a square 6mm size
- Secure locking of hubs onto axle shafts
- For both rear wheel and sprocket hubs
