Description:Product name: handlebar risers Material: CNC Aluminum Color:Chrome,Black Includes pair of 2 pieces bar clamps 2 Mounting Screws. Hole diameter 1 inch Overall height 2 7/8inch Overall dimension at head 2 inch x 1 1/4 inch Overall diameter at base 1 1/8 inch Height (from base to center of hole ):2 inch Thread at base 1/2inch coarse (13 threads/inch) FitmentFor 22mm (7/8 inch)handlebars For 25mm (1 inch) handlebars This set is made for 2.5cm (1 inch) handlebars only All For H arley ,Cruisers ,Choppers ,Metrics with 2.5cm bar diameter All For Victory cruisers with 2.5cm bar diameter For Yamaha V-Star 650 Classic For Yamaha V-Star 650 Custom For Yamaha V-Star 650 Silverado For Yamaha V-Star 1100 Classic For Yamaha V-Star 1100 Custom For Yamaha V-Star 1100 Silverado For Yamaha Road Star 1600/1700 For Yamaha Road Star 1600/1700 Silverado For Honda Shadow Spirit 750 C2 For Honda Shadow 750 Aero For Honda VTX 1300 C For Honda VTX 1300 Tourer For Honda VTX 1300 Retro For Honda VTX 1800N For Honda VTX 1800 Tourer For Honda VTX 1800 Retro For Honda Valkyrie Standard For Honda Valkyrie Tourer For Suzuki Intruder Volusia For Suzuki Marauder 1600 For Suzuki Intruder VL1500 LC For Suzuki Boulevard C50 For Suzuki Boulevard M95 For Suzuki Boulevard C50T For Suzuki Boulevard C90T For Suzuki Boulevard C90 For Kawasaki Vulcan 900 Classic For Kawasaki Vulcan 900 Custom Pakcge include:1 Pair*headlebar risers