This is the Show Chrome Accessories® Commander ™ step designed for the Can-Am Ryker driver. Made from CNC forged aluminum, the Commander ™ Board is strong, durable and beautiful on the Ryker. Its patented anti-rotation locking system allows precise angle adjustment for added comfort and will not budge when set. This 6 ¼ "x 4" board is comfortable with a non-slip rubber surface. Replaces the OEM driver mount and is available in Show Chrome Accessories® Satin Black finish.