INJORA Overdrive Underdrive Alloy Steel Helical Gears for 1/18 TRX4M

INJORA Overdrive Underdrive Alloy Steel Helical Gears for 1/18 TRX4M
Suit For: 1/18 RC crawler TRX4M
Note:

• Each axle requires 1 set of gears (a ring gear and a pinion gear).
• Overdrive the front(or underdrive the rear) will pull you faster in the front, it allows you to climb better and reduce rollover.
• Do not swap gears from different gear sets! They are different even if they have the same number of tooth.
• If you have some free play between gears, you can add a shim or 2 between pinion gear and bearing to push pinion teeth deeper into ring gear teeth.
• 22T/10T Underdrive Gears: Decrease speed approx 9%
• 24T/10T Underdrive Gears: Decrease speed approx 16.67%
• 24T/12T Gears: Do no change speed
• 22T/12T Overdrive Gears: Increase speed approx 9%

Features:

• Replace the stock plastic gears, fit TRX4M front or rear axles
• Helical gears offer greater strength and smooth operation than the factory spur gears
• Less vibration, less noise, less wear then stock gears
• CNC machined 20CrMo Alloy Steel Gears

Specifications:

• Material: 20CrMo Alloy Steel
• Weight: about 7g/set

ALL SALES ARE FINAL.

Please be sure to look at all of the images before purchasing. Unless otherwise noted all items have been used. If you believe there is something wrong with your order upon arrival or have any other concerns please contact us within 2-3 days.

Orders are shipped out Monday-Friday in the order that they are received. Please allow 2-3 business days for your order to ship. Processing times may vary during web drop weeks. Certain new and RTR items may not be available for immediate in-store pick-up and could take an additional 3-5 days to ship. 

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