Is not compatible with Astro 320 Snap GPS unit into this secure handlebar mount & it's ready to ride Mount fits up to a 1" diameter bar & is perfect for bike, motorcycle or ATV Includes hardware & instructions Handlebar bike mount; fits up to 1" diameter bar
Garmin Astro 220 Handle Bar Mount
Secure your device with this handlebar mount. Fits up to a 1" (2.54 cm) diameter bar. Includes mounting hardware and instructions.