Description
A gear set that can be attached to a Super FM, TZ, TZ-X chassis machine equipped with small diameter tires to increase top speed. A set of lightweight spur gears with holes, counter gears, shafts, ball bearings for gears, and two types of gear covers. The gear ratio is 3.5: 1. A set of perforated spur gear, counter gear, shaft, 620 bearing, and two types of gear covers Item No: 15187 100% Authentic Tamiya Product