7.12-in SpeedWerx Four Wheel Kit

This SpeedWerx Four Wheel Kit replaces tri-hub rear axle assembly and adds individual wheels for a more stable ride. The wheels help to keep the track in proper alignment and spread the traction load evenly. The kit includes 4 black 7.12-in wheels with bearings, 2 machined aluminum mounting blocks, 2 spacers, 2 bolts, 2 flat washers, 2 end caps, and instructions.