?It is a necessary accessory for providing you with the most comfortable cycling posture. <br><br><strong>Features:</strong> <br>Constructed of full carbon fiber£¬ exquisite workmanship. <br>Suitable for handlebar with diameter 31.8mm.<div><span class="a-list-item">Four bolt bar clamp holds bar securely in position.</span> <br>?</div><strong>Specifications:</strong> <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><strong>Package List:</strong> <br>1 * Bike Handlebar Stem