The Top End Racer is a three-wheeled racing wheelchair designed to allow people with mobility disabilities to participate in marathons and other racing events. The chair includes its own tool kit. FRAME: The rigid T-frame constructed of 6061 T6 aircraft aluminum alloy is available in open V-cage or I-cage. The upper and lower frame width is available in one inch increments from 11 to 15 inches. The overall length varies from 36 inches to 62 inches. The chair features a chrome-moly fork with compensator system with track stops to ensure maximum speed on turns.