BSD Substance cranks



single bolt design 2.5-pc cranks
heat-treated 4130 cromo arms with rectangular cross section for increased stiffness
heat-treated 4130 cromo 22mm CNC-machined 48-spline hollow spindle
extra beefy pedal boss with angle on the back for frame clearance
RHD/LHD with bolt-drive sprockets
LHD only with 22mm spline-drive sprockets
1.95 lbs