Give your Traxxas Slash 2WD 1:10 the gift of alloy greatness with this Alloy Rear Lower Arm, Grey. Atomik RC has a full line of aluminum hop up parts for your Traxxas Slash 2WD 1:10, available now in blue, red, and grey/gunmetal. Replaces Traxxas Part No. 2555. Precision CNC Machined Hop Up Part for Factory Spec Fitment. Made from Hardened Billet 6061 Aluminum for Lightweight and Durable Performance. Fits these RC Models: Traxxas 1/10 Slash.