The iGPSPORT BSC500 is a modern GPS bike computer with a 3.3-inch touchscreen, navigation, voice guidance and broad sensor support. In my iGPSPORT BSC500 test, its high-contrast display at Garmin Edge 850 level and trouble-free connections to a heart rate sensor, power meter, radar and Shimano Di2 were particularly convincing. This article explains the iGPSPORT BSC500’s weaknesses.