Stainless Steel 9.7 To 1 Overdrive Transmission Gear Pinion Set For 1/18 TRX4M RC Crawler Upgrade Beefed Up Performance, CNC Machined, Rust Resistant, Durable, Boosts Speed By About 71 Percent And Adds Higher Ground Clearance, Includes All Gears

Overdrive Gear Pinion Set for 1/18 TRX4M RC Crawlers
✔️ Stainless steel, CNC machined, rust resistant, +71% speed boost

This stainless steel overdrive gear pinion set is designed to boost speed and ground clearance on 1/18 scale TRX4M crawlers, including Defender, Bronco, and F150 variants. It’s a CNC machined upgrade that replaces your stock transmission gears for stronger performance.

✅ 9.7:1 overdrive ratio increases speed approx 71%
✅ Includes all transmission gears and an 11-tooth motor pinion
✅ Stainless steel for rust resistance and wear
✅ CNC machined for durability and long service life
✅ Fits 1/18 TRX4M Defender, Bronco, K10 High Trail, F150
✅ Boosts ground clearance on TRX4M crawlers

💡 What is an overdrive transmission gear pinion set used for in 1/18 scale RC crawlers?

In short, it's a handy upgrade that speeds up power delivery and boosts ground clearance. - speeds up power delivery to axles by roughly 71%
- improves ground clearance for rocky trails and rough terrain
- CNC machined stainless steel construction ensures durability
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