The Scorpion bike stand is a portable, lightweight functional bike storage stand that allows for convenient washing, lite maintenance, and stable race day storage of your bike. Install the appropriate-sized spacer onto the stand and slide the hollow spindle over the spacer. Magic! Note: Not compatible with Campagnolo Ultra-Torque cranks with internal fixing bolt Features: Designed for MTB / CX / Road Hollow crank bike storage Great for washing Lite maintenance Includes 3 crank spacers 13, 18, 20mm *While bike is mounted, rear tire sits off of the ground and spins unrestricted.