Traxxas X-Maxx 4X4 Upgrade Parts Aluminum Front Knuckle Arms - 1Pr Red Product Name : Aluminum Front Knuckle Arms - 1Pr Item No. : TXM021-R Color : Red Will fit : Traxxas X-Maxx 6S / X-Maxx 8S 4WD Brushless RTR Monster Truck Order will be processed and shipped in 1-3 business days, normally takes 7-20 business days to arrive worldwide.