Tekno RC TKR7221 Differential Ring Gear 40T ET410 Crawler Wheels and other applications requiring a

and other applications requiring a powerful standard-size servo

or as a functional obstacle on your at-home trail course

giving the model a more realistic lit-up look

This genuine Tekno RC driveshaft is a durable upgrade for consistent front power delivery

The TKR8345 is a

Tekno RC TKR7221 Differential Ring Gear 40T ET410 Crawler Wheels and other applications requiring aTekno RC TKR7221 Differential Ring Gear (40t, ET410, use with TKR7222) Product Description: The TKR7221 is a 40 tooth differential ring gear for the Tekno ET410, used with the TKR7222 diff pinion. CNC machined and hardened for smooth, durable operation. A direct replacement. Features: 40 tooth differential ring gear Use with the TKR7222 diff pinion Hardened steel for durability For the ET410 Fits: Tekno ET410 (with TKR7222 pinion) Includes: 1