Originally Posted by
tds101
Then please post the CORRECT information, since the manufacturer has made the mistake of creating a video with erroneous information. If that's what Brompton posted, THAT'S the specs as far as gear inches is concerned... Honestly I'd love for you to show us where they screwed up. Brompton are so backwards.
ufactureracturer
Like for the other transmissions, 2s, 4s, 6s, there are several sizes of chainring for the 12s between which the customer can choose while ordering its bike. the error can be the text saying that both the 4s and 12s gear inches shown are with the 50t chainring.
What we can see from the IGH of the 12s is that the spacing between the gears seems the same as for the BWR.
There was another video posted by a German Brompton reseller in which a gear inch table provided, according to the reseller, by Brompton in which a gear inches table is shown but these gear inches for the 12s are completely wrong:
