1 1/8", 31.8 mm handlebar clamp, adjustable 0° to +60° Level 4, e-bike ready according to ergotec Safety Level table, Ahead, shaft clamp height 41 mm, aluminum 6061 T6, approx. 250 g (105 mm) - 290 g (125 mm) Item Article Version Ahead E-bike type ready Features adjustable Application MTB, road bike Main color silver Shaft clamp height 41.0 mm Handlebar clamp 31.8 mm Shaft clamp 1 1/8" Stem length 105.0 mm Stem angle to 60° Stem angle from 0°