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FD-M5100-M Front Derailleur 2x
you can also manage it with all other indoor cycling platforms such as TrainerRoad
rapid sprint and crazy on the track
Wide side elastic socks for a comfortable fit
Performance in all conditions
iGPSport HR40 Heart Rate Monitor Brand_Promend FD-M5100-M Front Derailleur 2xHR40 HEART RATE MONITOR HR40 has comfortable fabric strap, and slim, light and ergonomical design. Meanwhile, The battery life is about 1200 hours. HR40 supports the connection with iGPSPORT bike computers or smart phones to sync real time heart rate data with iGPSPORT cloud platform. It provides the functions of analyzing training data, checking training effect, managing training plan and maintaining a good training state. Battery Battery life :
