The Box One Carbon Handlebars are made with uni-directional carbon fiber for one of the lightest handlebars out there. These bars are specifically engineered for the stresses involved with BMX racing only and have a rider weight limit of 100 lbs. FEATURES 22.2 Bar Bore 3K Weave Carbon Fiber Gripper Clamping Area Impact-Resistant Clear Coat Water Decals SPECIFICATIONS Box One Carbon Handlebars Specification Chart SIZE CLAMP MATERIAL SWEEP WEIGHT WIDTH SIZE: 3 Inch CLAMP: 22.2mm MATERIAL: UD Carbon Fiber SWEEP: 6° back, 2° up WEIGHT: 166 grams 5.9 ounces WIDTH: 21.5 inches SIZE: 4.5 Inch CLAMP: 22.2mm MATERIAL: UD Carbon Fiber SWEEP: 6° back, 2° up WEIGHT: 204 gramS 7.2 ounces WIDTH: 23.6 inches SIZE: 6 Inch CLAMP: 22.2mm MATERIAL: UD Carbon Fiber SWEEP: 7° back, 2° up WEIGHT: 288 grams 10.2 ounces WIDTH: 26 inches