Tekno RC TKR7221 Differential Ring Gear 40T ET410 Transmitters With its combination of advanced

With its combination of advanced features and user-friendly design

1D feature fully interchangeable parts between the two kits which allows the user to pick and choose what configuration they want to use depending on track conditions

This Sound card will allow you to enjoy the sounds of early turbo EMD Diesels like the GP35

1V 50C LiPo 18AWG JST

Tekno RC TKR7221 Differential Ring Gear 40T ET410 Transmitters With its combination of advancedTekno 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