Trx4 must have brass - RCCrawler

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RC-Hub 1Pair Heavy Duty Brass Front Steering Knuckle Weights RC Counterweight Set for 1/10 TRX-4 TRX4 RC Crawler Car : Toys & Games

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Simple Upgrades Traxxas TRX-4 - AMain Hobbies

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Losing grip – Samix RC brass upgrades review « Big Squid RC – RC Car and Truck News, Reviews, Videos, and More!

Heavy Duty Brass Front C Hub Knuckle Carrier for TRX4 1/10 RC Crawler

Trx4 must have brass - RCCrawler

Budget & Free TRX-4 mods for better performance, climbing and trailing RC doesn't have to be expensive and blingy, it's easy to get a bit of extra performance out of a