It is a necessary accessory for providing you with the most comfortable cycling posture.<br> <br> Features:<br> Constructed of full carbon fiber， exquisite workmanship.<br> Suitable for handlebar with diameter 31.8mm.  Four bolt bar clamp holds bar securely in position. <br>  Specifications:<br> Material: Carbon fiber<br> Length: 80mm， 90mm， 100mm， 110mm (optional)<br> Handlebar diameter: 31.8mm<br> Fork diameter: 28.6mm<br> Weight: 118-125g / 4.2-4.4oz<br> <br> Package List:<br> 1 * Bike Handlebar Stem<br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>