Originally Posted by
Jipe
Its true for the pure cassette Birdy.
But the Pacific Cycles Touring uses a 3s Sturmey Archer hub with a cassette, this hub increase the longest gear inch.
And the Birdy Rohloff has also a longer gear inch than 52x11.
As already said, you will have a Birdy with a 9-32 cassette, the best is to use it and test yourself before changing the transmission.
They use Sturmey Archer hub on only one model, so are other suppliers in Asia. The rest of the models are cassette starting with 11t.