Combines unidirectional carbon fiber and high-spec 7075 aluminum for superb strength and low weight, with stainless steel fittings for total security. ITEM: RAS-79-FUD ●Available in seven lengths from 70mm to 130mm, to truly suit every bike and every rider. ●Flips to give a 5º rise or drop. ●The aligned fibers of unidirectional carbon allow a very precise layup for huge strength in critical directions. ●7075 aluminum is alloyed with zinc and magnesium for very high strength and fatigue resistance. ●Stainless steel bolts are extremely robust, and corrosion resistant. ●Fits the near-ubiquitous 28.6mm steerer and 31.8mm bar clamp sizes. ●Made For：Cross-country/trail