This product offers five size options, allowing you to adjust the handlebar height and angle for a comfortable riding experience. Features: - Made of aluminum alloy for durability and strength - Frosted surface provides a comfortable, smooth grip that is gentle on hands - Adjustable by ±60 degrees to help reduce waist strain; find the ideal height for your riding position - Double screw design ensures high stability, secure fit, and safer riding - 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: 10–12 N·m - 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