Constructed of 6061 aluminumBoth pullback and straight riser options have top clamps angled at 35°Fits all models with 3-1/2'' center-to-center riser spacingWork with any standard 1'' handlebarTop upper clamp bolt is 4-1/2'' center-to-centerBase hole tapped for standard 1/2'' x 13 mounting bolts (bolts not included)Sold with top clamp and hardwareMade in the USA