One-piece design is made from solid aluminum for superior strength12 cm (4,75") width fits 22,2 mm (7/8") bar clamps on motorcycles and ATVs that have a 12 cm (4,75") wide top postProvides dual pivot points that allow handlebars to be positioned front to back and rotated up or downCheck available cable slack to make sure existing cables will work with the riserAvailable in 51 mm (2") and 76 mm (3") heightsTwo models available for 22,2 mm (7/8") bar clamp using 22,2 mm (7/8") standard bars, for 22,2 mm (7/8") bar clamp using oversized 28,6 mm (11/8") bars and 28,6 mm (11/8") clamps using 28,6 mm (11/8") bars