This product has five specifications, which is convenient for you to adjust the handlebar to the height and angle suitable for you, and it is more comfortable to ride.<br> Features:<br> Aluminum alloy material is solid and practical.<br> The frosted surface is comfortable and smooth without hurting hands.<br> Can be adjusted by 60(plus and minus) to release the waist pressure. There is a height suitable for you.<br> Double screw design, high stability, not easy to fall off, firmer, safer riding.<br> Convenient and easy to install.<br> Specifications:<br> Size: 31.8*85mm, 31.8*100mm, 31.8*120mm, 25.4*100mm, 25.4*120mm (optional)<br> Color: black<br> Material: aluminum alloy<br> Torque: 10-12N.M<br> Front fork diameter: 28.6mm<br> Hole spacing:<br> 31.8*85mm: 85mm<br> 31.8*100mm/25.4*100mm: 100mm<br> 31.8*120mm/25.4*120mm: 120mm<br> Handlebar diameter:<br> 31.8*85mm/31.8*100mm/31.8*120mm: 31.8mm<br> 25.4*100mm/25.4*120mm: 25.4mm<br> Package size:<br> 31.8*85mm: 132 * 55 * 40mm / 5.2 * 2.2 * 1.6in<br> 31.8*100mm: 155 * 52 * 40mm / 6.1 * 2.0 * 1.6in<br> 31.8*120mm: 167 * 43 * 40mm / 6.6 * 1.7 * 1.6in<br> 25.4*100mm: 155 * 43 * 40mm / 6.1 * 1.7 * 1.6in<br> 25.4*120mm: 165 * 52 * 40mm / 6.5 * 2.0 * 1.6in<br> Package weight:<br> 31.8*85mm: 271g / 9.6ounce<br> 31.8*100mm: 313g / 11.0ounce<br> 31.8*120mm: 312g / 11.0ounce<br> 25.4*100mm: 299g / 10.5ounce<br> 25.4*120mm: 312g / 11.0ounce<br> Packing List:<br> 1 * Bike Handlebar Riser