Bottom Brackets BSD Racing

Material crank arms:4130 CrMo, heat treated.-Material crank axle:4130 CrMo, heat treated, hollow axle.-Crank type:2.5-piece.-Crank arm length:165mm, 170mm or 175mm.-Crank axle diameter:24mm.-crank axle type:48-spline.-possible chainring mount via:Bolt-Drive (25T or larger):right (RHD) and left (LHD).spline drive:left (LHD).-Pedal thread:for 9.16´´ pedals.-Crank bolt:1x bolt (18x1mm, 24mm axle).-chainring bolt:1x bolt (10x1.5mm)(standard).-Extras:completely welded axle and pedal bushings on crank arms, rectangular flattened crank arm shape, including Mid BB bottom bracket (SB).-recommended for:Street, Park, Trails or Flatland.Features:Crank arm:175 mm.Color:grey.Bottom Bracket:no.