Just select the spring configuration that matches the mode you are using and model type you are flying

finished appearance

WHEEL FEATURES

No-load Current (A): 2

Powerhobby 1/5 XMT Wheel Adapters 24mm for Traxxas X-Maxx Mod 1 Pinion Just select the spring configurationPowerhobby 1 5 XMT Wheel Adapters 24mm for Traxxas X Maxx Description Powerhobby XMT Wheel Adapters are designed for installing compatible large scale wheels on the Traxxas X Maxx. The 24mm wheel hex configuration provides a secure mounting solution for compatible wheel setups. These black adapters feature reinforced radial supports and multiple mounting holes for secure wheel installation. Four adapters are included for a complete vehicle setup.