RCXXX Metal Gearbox Assembly Aluminum Transmission Housing with 9.7 : 1 Reduction Ratio Stainless Steel Internal Gears for TRX-4M TRX4M 1/18 RC Crawler Car Upgrade Parts

RCXXX Metal Gearbox Assembly Aluminum Transmission Housing with 9.7 : 1 Reduction Ratio Stainless Steel Internal Gears for TRX-4M TRX4M 1/18 RC Crawler Car Upgrade Parts

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SKU:
ZDV659564
Condition:
New
Availability:
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Warm Tips 1. The 16.6:1 set is the replacement of the stock, while the other 2 set providing different effect. 2. The 9.7:1 set can provide higher torque output, giving the crawler better acceleration performance and stronger traction, thus enhancing its climbing ability. (Recommended for TRX4M Crawler Player) 3. 40.3:1 can increase the top speed but will reduce the torque output.
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