Or you could get P2M classic with Rotor 3DF (30mm axle) for £660
http://www.power2max.de/europe/en/Produkt/power-meters-en/power2max-rotor-3d-f-roa/
@amey started
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Or you could get P2M classic with Rotor 3DF (30mm axle) for £660
http://www.power2max.de/europe/en/Produkt/power-meters-en/power2max-rotor-3d-f-roa/