The FUZION handlebar is a new concept in high-performance control systems. The revolutionary flex locking system allows riders to choose between a stiffer, more controlled handlebar feel or a softer more shock absorbing feel depending on terrain conditions. Changing the bar from "Locked" to "Unlocked" takes only seconds. The bar itself utilizes ProTaper's exclusive aluminum alloy computer profiled in a 4 mm wall design for the ultimate in lightweight strength. Revolutionary flex locking technology provides two completely different flex characteristics in one handlebar. "Unlocked" function allows the cross bar to telescope and flex like a normal ProTaper handlebar. "Locked" function connects the crossbar creating solid, definite feedback to the rider. Constructed of ProTaper quality, ultra-strong aerospace aluminum. Knurled clutch side offers better hand grip adhesion.