The use of a BWR IGH (heavy, low efficiency, slow gear changes, inertia...) on the T-line is a nonsense!

This bike should have a real 11s cassette + real derailleur just like Helix.

For the frame of Helix, 1kg more is a lot, the bigger wheel size has an influence on the folded size and on the wheel weight but has no influence on the frame weight because the wheelbase and frame sizes are similar whatever the wheel size.

For the price, Helix is sold online only by its manufacturer, there are no resellers, no after sale support other than the factory located in Canada. Its not comparable with Brompton that has a worldwide network of resellers providing after sale support, warranty, maintenance, spare parts...

Depending were you live, there are taxes to add to the price of Helix.