Brand Name: OG-EVKIN High-concerned chemical: none Origin: Mainland China Handlebar Clamp Diameter: 31.1 - 32.5mm Fork Clamp Diameter: 28.6mm Material: Carbon Fibre Height: 46 - 55mm Brand: OG-EVKIN Model: SM-004 Material: Carbon Fiber+Aluminum alloy Clamp Stem Length(C-C): 80/90/100/110/120mm Weave: UD Finish: Matte Stem Angle: 6/17Degree Weight(90mm): 110G±10G Handlebar Clamp Diameter: 31.8mm Fork Diameter: 28.6mm Color: Black Clamp Width: 41mm Screw Torque: 6N.m Features1: Titanium Screws Features2: Light Weight Features3: Bright Logo