This product offers five size options, allowing you to adjust the handlebar to a height and angle suitable for your riding comfort. Features: - Made of aluminum alloy material for durability and practical use - Frosted surface provides a comfortable, smooth grip that is gentle on hands - Adjustable up to 60 degrees () to help reduce strain and pressure on the waist - Double screw design enhances stability, reduces the risk of detachment, and ensures a secure and safe ride - Easy to install Specifications: - Size options: 31.8*85mm, 31.8*100mm, 31.8*120mm, 25.4*100mm, 25.4*120mm - Color: Black - Material: Aluminum alloy - Torque: 1012 Nm - Front fork diameter: 28.6mm - Hole spacing: - 31.8*85mm: 85mm - 31.8*100mm / 25.4*100mm: 100mm - 31.8*120mm / 25.4*120mm: 120mm - Handlebar diameter: - 31.8*85mm / 31.8*100mm / 31.8*120mm: 31.8mm - 25.4*100mm / 25.4*120mm: 25.4mm - Package dimensions: - 31.8*85mm: 132 55 40mm / 5.2 2.2 1.6in - 31.8*100mm: 155 52 40mm / 6.1 2.0 1.6in - 31.8*120mm: 167 43 40mm / 6.6 1.7 1.6in - 25.4*100mm: 155 43 40mm / 6.1 1.7 1.6in - 25.4*120mm: 165 52 40mm / 6.5 2.0 1.6in - Package weight: - 31.8*85mm: 271g / 9.6oz - 31.8*100mm: 313g / 11.0oz - 31.8*120mm: 312g / 11.0oz - 25.4*100mm: 299g / 10.5oz - 25.4*120mm: 312g / 11.0oz Packing List: 1 Bike Handlebar Riser