A New updated version of the Substance XL cranks from BSD that feature a new invest cast boss design which sits fully flush with the crank arm to make sure you never get that ankle bite again when catching your pedals!
BSD Mid BB included!
-Crank Arm Length: 160mm, 170mm, 175mm.
-Drive side: RHD & LHD Compatible.
-Axle Size: 24mm.
-Colour: Black, Raw.