Transmsn speed gear set

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Gear set, transmission, speed (9.7:1 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 reductio n 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. Show more