Lightweight aluminum crown gear. The number of teeth is molded on the backside of each gear. As a guide: less crown gear teeth = more speed, & more crown gear teeth = better acceleration. Fits 2...
The Hobby Slot Racing rear axle assembly kit comes with one 55 x 2.38 mm (3/32) axle, two brass bushings, one 25T brass crown gear, two 16.8 x 9 mm aluminum wheels and three M2 set screws. For use...