Shimano Dura-Ace FC-R9100P HOLLOWTECH II Connecting Rods with Potentiometer - 175

Shimano Dura-Ace FC-R9100P HOLLOWTECH II connecting rods with potentiometer with an integrated design and a reliable electrical system and waterproof in any condition. Accuracy of +/- 2% of power with strain gauge. Stable power measurement system in the different lifting positions. Easy maintenance with built-in rechargeable battery. The plates are easily changed without affecting the performance of the power meter. Wireless firmware upgrade system. Fast response and effortless operation. Bluetooth and ANT+ connection.Features:- 4 chainset arm set- BCD: 110 mm - Plates NOT included - Length: 170, 172.5, 175 mm - For 11-speed systems - Does not include cups - Hollowtech II construction - Compatible bottom bracket shafts: BB-R9100, BB92-41B - Power sensor on both connecting rods