Upgrade your ARRMA 1/18 Granite Grom & Typhon Grom with the GPM 7075 Alloy Servo Saver Set (25T/21T/20T) for superior steering performance and durability. Designed with high-strength 7075 aluminum alloy, this servo saver ensures maximum impact resistance while maintaining lightweight agility. The built-in spring absorbs shocks to protect your steering system, reducing stress and enhancing control.