Ns bikes proof riser barsa favourite among pro riders the proof handlebar is used extensively by sam pilgrim martin soderstrom and many others the custom tubing and butting give these bars great strength and fatigue resistance it is the perfect choice for dirt jump and slopestyle riders who use suspension forks features7050 t6 alloyclamp 25 4mmwidth 740mmrise 70mmbacksweep 10upsweep 4weight 365g anodised 375g paintedbuy ns bikes components from chain reaction cycles the worlds la