ABEC 11 Flywheels Longboard Wheels

Rotational Energy = 1/2Iw^2 A big, smooth, tank-like wheel for rolling over everything in its path. Extremely smooth, fast and even on roughest surfaces. Get some and take skateboarding into new frontiers! A flywheel is a mechanical device specifically designed to efficiently store rotational energy. Flywheels resist changes in rotational speed by their moment of inertia.  Designed for: Push Racing, Street Luge, LDP, Electric Skateboards, Hamboards, Surf-Style Skating, Downhill, Paddle Skate, Monster Minis Specifications: Diameter: 83mm, 90mm, 97mm Width: 52mm Contact Patch: 44mm Durometer: 75a Lip Profile: Steep Round Core Placement: Centerset Contact Patch Surface: Smooth Comes in Lime.