Amazfit Trex Ultra are compatible with 22mm watch band size, but it’s impossible to replace it with a standard 22mm watch straps, because the spring bars for T-rex Ultra is very big, and standard watch band cannot fit it. Our Quickfit watch bands are the perfect solution for Amazfit T-rex ultra, it allows you to install it to the strap by seconds. 22mm Quickfit watch bands are also compatible with Amazfit Falcon, because Amazfit Falcon watch band size are also 22mm. Only necessary is use the tools we send you to remove the original straps and install the spring bar again, then you can install our strap without any tool necessary.
