1. Fit for 7/8 inch 22mm Handlebars; not fit for 1 inch or 1+1/8 inch, or 1+1/4 inch. Please make sure the size of your handlebar fit well before buying It. 2. Provides 25.8 mm (1inch) higher, 20 mm (0.787inch) backward and forward position from stock handlebar position. Please make sure the stock wiring, Brake hose, brake clutch cable length will work well before buying the riser. Of course, It also depends on your most comfortable riding position. 3. Solid construction but light weight: CNC machined by billet 6063-T6 aluminum, and anodized surface finish. 4. Easy to install: just screw out with the allen wrench, Each package comes with 4 PCS SUS304 bolts to screw the risers on (Size M8*1.25 Pitch). 5. Fit OEM hole center size: 32mm(1.2598inch)-36mm(1.4173inch).