Universal 7/8" Throttle Lever Thumb Control Assembly for 50cc 70cc 90cc 110cc 125cc ATV Quad Go Kart TaoTao Roketa NST Brand new throttle lever thumb control assembly Fits most 50cc to 150cc Chinese brand ATVs Spanner length: 82mm straight spanners; Installation diameter: 7/8" Thumb throttle with speed control governor so small kids can't go too fast