Original Garage Moto Dual Risers Top Clamps For OG Risers Precision-machined from 6061 T6 aluminum, these lightweight clamps feature the OG logo and provide a custom look in either anodized or chrome finishes. Engineered for compatibility with any standard 1-1/8 handlebar, they also accommodate a shim set for 1 bars without any loss in function. Features: CNC Machined 6061 T6 Aluminum Works with any standard 1 1/8 handlebar (most MX Style bars) Use OG 1'' Handlebar Shim Set to run your favorite 1 handlebar Anodized & chrome finishes available Machined OG logo