
Kris Holm Double hole Spirit cranks for ISIS axles 137/165 mm.
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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.
Kris Holm unicycles have the disc-brake on the outside of the frame – the rotor is mounted on the cranks. This EDB (external discbrake) has the advantage that you can more easily add it to an existing unicycle. Also, it works with Schlump-geared hubs – and the flange-distance is wider.
Price per pair.