Designed with attention to detail in mind, the new Elevn 22.2 stem features smooth rounded edges with beveled sides, a minimal weight saving top cap mounting system, 6mm Allen bolts, laser etched graphics and handle bar adjustment gauges. This 6061-T6 CNC’d stem was designed to have maximum clamping power and be as light as possible, while being strong enough for todays top Pro riders to race with full confidence. Features: Material : 6061 T-6 Alloy Steer tube Clamp : 2 bolts Steer tube size : 1-1/8” Bar Clamp size : 22.2mm Rise : 29.93mm Stack Height : 31mm Lengths : 45mm, 50mm, 53mm, 57mm, 60mm Bolts size : M8 x 1.25 x 25mm, 12.9 Grade Weights :45mm : 226 g / 7.97 oz50mm : 235 g / 8.3 oz53mm : 241 g / 8.5 oz57mm : 250 g / 8.1 oz60mm : 258 g / 9.1 oz