Caddy fits M64 stands and is constructed of a high-quality, super-strong, injected molded polycarbonate blend. Four locking 500 lbs. professional grade rubber caster rollers hold stand 1/2" off the ground. Two graphic panels can be customized with rider or team name. Works great as a work tray for tools and parts. Makes it easy to put your bike into tight spots. Bike Stand Caddy Black, Fits M64