Spirit Double Hole Cranks 127/150 mm - Kris Holm
Kris Holm Double hole Spirit cranks for ISIS axles 127/150 mm.
Kris Holm double hole cranks for ISIS axles have, as the name reveals, two pedal-threads allowing to change the ratio on your unicycle without changing the cranks. They also featuer a rotor-mount for discbrakes and are very robust.
Price per pair.