MOB V4 CRANKS - The new Mob V4 cranks are now left side and right side drive compatible featuring a 3-pc design with a unique "Team-Style" crank arm shape made from 4130 tubular chromoly, a heat-treated 8 spline spindle for strength, 2 flush mount spindle bolts and a single pinch bolt design to reduce weight. RHD/LHD Compatible. - Arms: Heat-treated 4130 tubular Chromoly arms w/ pinch bolts. - Spindle: 19mm, 8 spline, heat-treated Chromoly. - Spindle bolts: M7x1mm (x2). - Spindle bolts: M8x1mm Flush Mount (x2). - Length: 175mm, 170mm or 165mm. - Colours: Matte Black, Polished Raw, Chrome Plate, limited - Weight: 35.0 oz. (992g).