Handlebar diameter:31.8mm;Bar end diameter:22.2mm;Appearance:3K glossy Length:660/720mm. Colour:blue,red,green. Flat backsweep:3 degree; Made of T800 carbon Fiber,Carbon Fiber 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. Giveaway: One L-R-G Bicycle GPS Stand for Garmin Edge / Bryton Rider / CatEye - GPS Stand and Stand for Bicycle Handlebar To properly install the product, follow the specified tightening torque (4Nm); we recommend using a hex wrench to tighten the screws. Tighten the screws. Since it is made of carbon, we recommend hand tightening the body to support it. Cracks occur when strong tension occurs