• 1,RXL stem road bike material:Carbon Fiber Aluminum Alloy(the cap is high-quality Aluminum alloy); Carbon stem Appearance:3K Glossy; Handle bar stem suitable for road bike, MTB,TT bike, track bike,BMX, DH, etc.
• 2,Fork diameter:28.6mm(1-1/8"); Carbon mtb stem handlebar diameter:31.8mm; RXL SL carbon stem road bike angle:6/17 Degree; Length:70/80/90/100/110/120/130mm; Road bike stem carbon weight:Approx 120~148g;
• 3,Carbon Fiber bike stem compares to Aluminum Alloy: Lighter in weight. Much more beautiful in appearance. Brighter in Color. Stronger in pressure resistance. Anti-Shock. Has proper elasticity, improving your bicycle's class in minutes.
• 4,Easy to install and remove 31.8 stem carbon fiber, four bolt bar clamp holds bar securely in position, its design makes the handle bar adjust in a perfect position. Install the carbon fiber stem correctly, please follow the specified tightening torque (4Nm), we recommend using a hexagon wrench to tighten the screw.
• 5,Any quality problems with our 31.8 stem please send us messages, we will try our best to help you. Thanks for your support! Wish you: Happy cycling with our road bike stem and good luck!