ergotec voorbouw ergotec crab 2 31 8mm 90mm mat zwart1 1 8", handlebar clamp 31. 8 mm, stack height 41 mm, angle 7, black Level 4, e Bike ready according to ergotec Safety Level table, A head, aluminum 6061 T6, for city, trekking road, trekking offroad, weight 148 164 g Main color black Steerer tube clamp height 41. 0 mm Area of use MTB, city, trekking Steerer tube clamp diameter 1 1 8" Handlebar clamp 31. 8 mm Type kind Article Design A head Stem length 90. 0 mm