Nukeproof sam hill series riser bar shotpeenmanufactured from high grade 7075 aluminium and featuring a shot peened finish to maximise fatigue resistance nukeproof warhead riser bars deliver buzz taming comfort through the roughest of terrain while still maintaining the strength to absorb the toughest of spills and impacts built for the rigours of dh competition but light enough for am and technical trail use just 298g for 760mm x 31 8mm model the iconic warhead riser range is available i