ITEM NAME:2x Wheel Inner Tube Security Anti-Slip Lock 1.60 & 1.85 for Motorcycle Dirt Bike Description:.1 Piece 1.6 Wheel Rim Lock. 1 Piece 1.85 Wheel Rim Lock. Protect against abrasion of inner tube. Material:Aluminum & Rubber. 1.85 Size: 98x54x6mm.