I was looking at the ATS Speed Drive to get myself some additional gearing range on my 4-speed T-Line (https://bikegang.ecwid.com/Brompton-New-Non-Chamfer-BB-Shell-Speed-drive-Gearing-System-ATS-p51233512).
My understanding is that the bottom bracket on the T-Line is a little different to traditional steel Bromptons.
Has anyone got it working with the T-Line?
by HardlyThereAtAll
1 Comment
The ATS speed drive replaces the bottom bracket and the socket for the bracket is identical to any other brompton. So yes, it is compatible.