You can keep your bike or scooter safely secured to its carrier with this convenient wheel chock for dirt bikes & scooters from B-Dawg Just slide the pivoting cradle forward or backward into one of five different positions 30 Day Warranty Description You can keep your bike or scooter safely secured to its carrier with this convenient wheel chock for dirt bikes scooters from B-Dawg. Just slide the pivoting cradle forward or backward into one of five different positions. Then secure it down using the included nuts and bolts. The pivoting tire cradle makes loading and unloading fast and simple. The wheel chock can handle a wide range of tire sizes up to 20″ in diameter for 4″ wide tires, and up to 21″ diameter for 3″ tires. The wheel chock may not accommodate some scooters with overly small tires and interfering fenders. Free shipping Adjustable/pivoting tire cradle Tie-down arms and hardware included Quality steel construction Powder coat finish Another reason why Monster Scooter Parts is your best source for parts and accessories. Specifications Max tire size: 20″ x 4″ or 21″ x 3″ Weight: 28