• Variable Bar Ends: Variable bar ends that allow you to adjust the weight of one handlebar end.Experience various weights on a single handlebar end without changing its design. The heavier the handlebar, the more tendency there is for lessened vibrations transmitted from the engine. The lighter the handlebar, the more tendency there is for improved maneuverability and self-steering. • [Product Details:] - Main unit size: Handle lateral diameter 1.2 inches (30 mm), Handle outer diameter 1.1 inches (27 mm), Length 1.8 inches (45 mm); - Contents: Main unit, bolt, additional weights, hex wrench, instruction manual (English language not guaranteed); - Material: Aluminum alloy • [Universal] - Weight: 3.0 oz (84 g); - Additional Weights: 0.9 oz / 2.0 oz (26 g / 56 g); - Internal Diameter: 0.5 - 1.0 inches (12.7 - 25.4 mm); [Honda/Yamaha/Suzuki]; - (Respective) Weight: 1.9 oz / 2.0 oz / 2.3 oz (53 g / 58 g / 64 g); - Additional Weights: 0.9 oz / 2.0 oz (26 g / 56 g); - Bolt diameter: M6; Bolt lengths: 55 mm (15 mm) / 60 mm (20 mm) / 70 mm (30 mm); - Spacer: Thickness 0.2 inches (5 mm) 2-ct; [Yamaha M16] - Weight: 3.0 oz (86 g); - Additional Weights: 0.9 oz / 2.0 oz (26 g / 56 g); - Inner diameter: 0.5 - 0.7 inches (13.5 - 17 mm); [Kawasaki M8]; - Weight: 2.1 oz (59 g); - Additional Weights: 0.9 oz / 2.0 oz (26 g / 56 g); - Bolt length: M8; - Bolt length 50 mm (11 mm) • Note: Please remove the original bar end with an appropriate tool.Use an impact tool in cases when it is stuck or turns with the bolt. - Please make sure you confirm that the bolt diameter and pitch match before you install. - In cases when the grips and bar end interferes with the movement of the accelerator, use a washer or the spacer to adjust for no interference. - For the Yamaha M16, when combining and incorporating the bar end, adapter, bolt, rubber part and nut, adjust them to some degree of resistance in advance before inserting them into the handlebar. • - - -- ----