1. Size: Racing bent handlebar, clamp diameter 31.8mm, handle end diameter 23.8mm, length 380/400/420/440mm.2. Material: The road bicycle handlebar is made of high-strength aluminum alloy 6061, which is ultra-light, strong and durable, providing you with excellent shock-proof performance.3. Professional design: External cable routing, ergonomic, better control of the bike when riding, best choice for riders who need more control over their bikes.4. Professional design: External cable routing, ergonomic, better control of the bike when riding, the best choice for riders who need more control over their bikes.5. Note: Before ordering, please be sure to measure and confirm the diameter you actually need. If you have any questions, please feel free to contact us.Specification:Product Type: Road Bicycle HandlebarsMaterial: Aluminum alloy 6061-T6Color: black, redLength: 380/400/420/440 mmReach: 80mmDrop: 125mmHandlebar hole clamp diameter: 31.8 mm HandlebarEnd diameter: 23.8mmWiring: External wiringRiser weight: approx. 350 g (420 mm)Application: road bike racingpacking list:1 piece bicycle handlebarNote: Before ordering, please be sure to measure and confirm the diameter you actually need.