Vintage Crank Set Biomechanic Sensor Power Meter Black 01 IP 24mm 130

  

Vintage Crank Set Biomechanic Sensor Power Meter Black 01 IP 24mm 130 Crankset with power meter. Approx 24 mm diameter spindle. Stamped'Model Road Bike 01'. There is a spot for a serial number, appear to have no serial, possibly a prototype.

Arms appear to be 172.5 mm ctc.