Substance XL Cranks
Substance XL cranks, a single bolt design 2.5pc crank with hefty 24mm XL spindle and an all new flush boss design eliminating sharp edges around the ankles.
– Heat treated 4130 XL 24mm diameter CNC machined 48 spline hollow spindle.
– Heat treated 4130 chromoly arms with rectangular cross section for increased stiffness and grindability.
– RHD / LHD compatible.