Shimano magnet set for fc-r9100-p / fc-r9200-p power meters

Product Description Shimano Magnet Set for Power Meters - Cadence measurement The Shimano magnet set for FC-R9100-P is used to measure the cadence in combination with the Dura-Ace power meter crank. It is also compatible with the successor model FC-R9200-P and with Ultegra FC-R8100-P. The positioning tool provides assistance during assembly. Compat...