5pcs Universal Magnet Speedometer Spoke Magnet for Bicycle Odometer Train Bike GPS Computer Magnet Sensor Wheel Cycling Parts

High-concerned chemical：None Type：WireLess Stopwatch and Accessories：Waterproof Stopwatch Origin：Mainland China Certification：NONE Color：Silver Quantity：5pcs

High-concerned chemical: None Type: WireLess Stopwatch and Accessories: Waterproof Stopwatch Origin: Mainland China Certification: NONE Color: Silver Quantity: 5pcs