Box Components X Squared Pro Carbon BMX Race ForkIf you are looking for the highest quality Carbon Fiber BMX Racing Forks then BOX has you covered. With six X Fork models available in 12 different configurations, no one has a wider selection. Every model features a rider specific design that is strong, lightweight, reliable and meets the demands of the fastest racers. Whether its the standard X, the lightweight XL, the oversize Pro, X2, XE Expert, the XS Mini or the new oversize X5 tapered steerer