The GPM TXM022L Rear Knuckle Arm Set upgrades the Traxxas X-Maxx rear steering assemblies with precision engineering and durable Aluminum 6061-T6 construction. These replacement arms enhance load resistance at the CVD and bearing junctions while keeping installation straightforward for tuners and performance-minded hobbyists. Compatible with TRAXXAS X-MAXX 6S and 8S variants, the set provides a reliable mechanical upgrade without altering stock mounting geometry.