Shimano magnet set for fc-r9100-p / fc-r9200-p power metersProduct 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. Compatibility:FC-R9100-PFC-R9200-PFC-R8100-PManufacturer Number:Y-1VU98080 Contents:1 x Shimano FC-R9100-P magnet set Manufacturer: Shimano Europe B.V. High Tech Campus 92 5656 AG Eindhoven Netherlands info@shimano-eu.com21,99