It is compatible with all FirstBIKE models

Beach Hat is a standard size

The covering is designed so you can talk and hear right through the case

The new bite valve offers excellent water flow despite a more compact design and can be operated with the thumb

allowing you to enjoy smooth throws and accurate catches every time

WAHOO Trackr Heart Rate Monitor retail-link-11-12-2023 It is compatible with allWith the Trackr Heart Rate, WAHOO is launching the first heart rate monitor among the major manufacturers on the market that relies on a high capacity, integrated lithium ion battery instead of a button cell. This protects the environment and makes the sensor less susceptible to damage. Thanks to the Multiple Peripheral Bluetooth function, the Trackr Heart Rate can maintain up to 3 parallel Bluetooth connections at the same time. Easily visible LEDs