PowerMadd 45430 PowerRiser 475 - 2" Tall X 4.75" Wide, 7/8" bars to 7/8" bars The PowerRiser from PowerMadd features a one-piece design that offers superior strength at an unequaled price. Dual pivot points allow you to position the riser front to back, while positioning your bars up and down for the perfect bar placement. The PowerRiser comes in two widths - 3.25" for snowmobiles as well as Can Am and Polaris ATVs, and 4.75" for ATVs and motorcycles. Both width options allow you to use standard 7/8" bars or oversize 1-1/8" bars. One-piece design is made from solid aluminum for superior strength.