Box One Carbon bars Box X carbon handlebars for mini, juniors and expert X CARBON HANDLEBARS Ultra-lightweight X Carbon bars are made using the world’s best carbon fiber bicycle component technology. Designed for smaller BMX racers, they feature a unique profile that increases stiffness and strength, while keeping the weight low. The 3-inch Mini bars are 21 inches wide, the 4.5-inch Junior are 23.5 inches wide and the 6-inch Experts are 26 inches wide. All three sizes 6 degrees of back sweep and 2 degrees of up sweep. X Carbon handle bars are designed for BMX racing only. They meet or exceed ENBMX Category 2 standards and fit standard 22.2 Ø stems. X bars should be installed by a professional bicycle mechanic and inspected for damage after crashing or impacting the ground or other objects. 3”-BX-HB14C3X21: 162 grams/5.7 ounces
