Tekno RC TKR7221 Differential Ring Gear 40T ET410 Crawler Wheels The TKR8345 is a

The TKR8345 is a

Many drivers run firmer at one end and stock or softer at the other to bias how the truck climbs

Balanced power and efficiency

A spare in the pit box keeps a bash day going

for no-leak operation and lifetime lubrication

Tekno RC TKR7221 Differential Ring Gear 40T ET410 Crawler Wheels The TKR8345 is 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