Type one: 54mmx54mm
including 1pcs adaptor, not including computer mount and phone case.
Compatible with GARMIN Wahoo( garmin wahoo use same adapter) , or Bryton ,GIANT, and with 3M stick adapter ,can put your phone on the computer mount.
Material: composite plastic, strength and supper light
Weight: 5 g/ No.1 type
Color: black
2021 NEW phone mount
Compatible for computer mounts ,and phone mount, muiti size more ,flexible, More stable , protect your tell phone more safe.