Redcat Racing Aluminum Front Lower Arms Purple 2 Pcs! This RC Accessory is compatible with LIGHTNING STR, LIGHTNING EP DRIFT, LIGHTNING EPX model RC's! So what are you waiting for? Get the Redcat Racing Aluminum Front Lower Arms Purple 2 Pcs RC Accessory today! Features: Compatible With LIGHTNING STR, LIGHTNING EP DRIFT, LIGHTNING EPX Models Includes: Redcat Racing Aluminum Front Lower Arms Purple 2 Pcs. Discounted at only: US$ 34.99