06-19 YAMAHA YZ250: Ride Engineering Bar Mounts (Oversize 1-1/8" Bars For Stock Clamp) Re-designed one final time to produce the lightest most resistant to twisting bar mount in Ride Engineering's seven-year history. This one-piece design has removed even more weight than the previous (GEN III) version while further increasing its strength and torsional resistance in the event of a crash. Re-designed to reduce weight again! Saves 4 ounces over the original design. Made from aircraft-quality aluminum, precision machined. 3 mm of adjustability front and back.