Our toughest crank yet – Substance XL, 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.

Now in new Flat Raw and Flat Black.

FEATURES

• Heat-treated 4130 Chromoly arms with a rectangular cross-section for increased stiffness.
• Heat-treated 4130 Chromoly 24mm diameter CNC machined 48 splines hollow spindle.
• Extra beefy pedal boss with an angle on the back for frame clearance.
• RHD/LHD compatible.

SPECS

Spindle diameter: 24mm
Weight: TBD