Grip features a 1-7/32-inches/32mm diameter13-inches/365mm Overall diameterDeep-dish design with 1-3/8-inches/35mm distance from the mounting surface to the centerline of the steering wheel gripCentral mounting surface is designed to reduce even more weight and can be used on hubs with a 3- or 6-bolt pattern (Hub is not included)Universal mounting (with oblong holes) makes it compatible with any 3- or 6-bolt pattern hub and quick release mechanismWeighs just 1.2lbs/545g