SuperATV Billet Aluminum Radius Arms for Maverick X3 (72″ models) $308.61 – $525.78 Get the style and strength to match your Can-Am Maverick X3 with SuperATVs Billet Aluminum Radius Arms. Your Can-Am X3 likes to play as hard as you do, and its rear radius arms are in serious need of beefing up. You want strength, that’s why we make our radius rods with a 1-¼” solid 7075 billet aluminum barmuch stronger than the 1 inch steel on the stock machine. We didnt stop therethe hexagonal design is a show-stopping head turner that also protects against heavy impacts. Whether you just need upgraded upper arms, lower arms, or all six, we’ve got you covered with this sick set of radius arms.