Sealed cartridge bearings, 40mm OD x 17mm ID x 12mm. Platform BMX plastic pedals, 9/16″. Steel hub, 3/8″ axle, black. Alloy rim, 20″ x 36H, for 4-1/4″ tire, battleship gray. 14G stainless steel spokes with brass nipples, black. 20″ x 4-1/4″ tire, black wall. Weight of unicycle: 17 lbs.
Sun XL Unicycle 20″ x 4-1/4″ Black
