Traxxas 6450 50T Mod 1 Spur Gear and 20T Pinion Gear for XRT HiTecServos Athearn 8491 N Scale ACF

Athearn 8491 N Scale ACF 46003 Bay Covered Hopper C&NW 180053

Atlas 10001588 HO Scale ALCo HH660 Diesel Southern Pacific SP 1003

For prototypes built with the FM38D prime mover

May also be controlled with panel switches or detection circuits

Lighter & More Reactive than Stock Chassis

Traxxas 6450 50T Mod 1 Spur Gear and 20T Pinion Gear for XRT HiTecServos Athearn 8491 N Scale ACFTraxxas 6450 50T Mod 1 Spur Gear and 20T Pinion Gear for XRT The 50 tooth spur gear and 20 tooth pinion gear combo (1. 0 metric pitch) is machined from solid steel with extra wide steel teeth for ultimate power handling and durability. Traxxas spur gears let you fine tune the performance of your Traxxas model. Changing gear ratios can help balance acceleration and top speed for different running conditions. Please consult your owners manual for more