Gear set transmission speed (9.71 reduction ratio)/ pinion gear 11-tooth

Gear set transmission speed (9.71 reduction ratio)/ pinion gear 11-tooth

Boost the top end of your TRX-4M™ with this Speed gear set. The gear set features a high 9.7:1 reduction ratio for maximum speed. The set includes all transmission gears and a new 11-tooth motor pinion. Not recommended for snow, mud, rock crawling, or other high-resistance surfaces.