Heavy duty die cast aluminium body with moulded rubber flap to protect tube. Ribbed alloy contact surface to lock tyre to rim. Available in 4 sizes. People should know what size rims are on their own bikes, example the DRZ takes a 1.40/1.60 on the front a 2.15 on the rear. The every popular DR a 1.85 on the front a 2.50 on the rear.
