Traxxas 9733-BLUE TRX-4M Left & Right Aluminum Caster Blocks Hex Wrench Confirm connector polarity before connecting

Confirm connector polarity before connecting a battery

AAA and LiPo battery support with auto detection

Steel construction holds its set through repeated hard cornering

Can be paired with IOS and Android Bluetooth equipped devices with Bluetooth connectivity

Traxxas 9733-BLUE TRX-4M Left & Right Aluminum Caster Blocks Hex Wrench Confirm connector polarity before connectingTraxxas 9733 BLUE TRX 4M Left & Right Aluminum Caster Blocks Strengthen your TRX 4M's front end with this genuine Traxxas left and right aluminum caster block set in blue. Machined aluminum replaces the factory plastic blocks for greater durability under hard use. Bolt these in as a direct upgrade to reduce flex and breakage at your steering knuckles, while adding a blue accent to your rig. Genuine Traxxas replacement part Aluminum construction Blue