*It stops the inner tube moving in the rim and tearing the valve All Products: Rim lock alloy 1.85 inch Description: *Rim Wheel Tire Lock Tyre for Motorcycle Motocross Enduro Dirt Bike *It stops the inner tube moving in the rim and tearing the valve *Protect... *Protect against abrasion of inner tube, *Easy to install, *Fitment Rim width: 1., 601., 85 2., 15 *Rim Wheel Tire Lock Tyre for Motorcycle Motocross Enduro Dirt For Bike TCPH 3PCS Motocross Rim Lock Nut Kit Tire Clamp Screw Rim Lock Nut... Specification Material:Metal & Plastic Color: Blue 1., 60 Size: 70x35x6mm 1., 85 Size: 95x45x6mm 2., 15 Size: 100x52x6mm Package Includes 1 x Piece Wheel Rim Lock Easy Install Tire Lock Motorcycle Motocross Enduro Sponge Tire Tyre Mousse Tube Tires Foamed Rubber Dirt Bike Inner Motocross Rim Lock Performance Optimization: Maintains proper tire position during aggressive riding, improving handling and traction on varied terrains - helps maintain consistent air pressure and extends the life of your inner tubes by reducing friction and movement