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Old 09-03-11, 06:57 PM
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catfour
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Originally Posted by EM42
I have a Brompton six speed with the Stram T3 instead of Sturmey-Archer hub and of course dual cogs and derailleur system and I can tell you that its prone to skipping and some roughness if the cogs are dirty or the chain is dirty and requires some attention to that area of the drivetrain but I don't think this is the case with your newly installed system. Clownbike might be right that a slightly narrower chain might be required.

where did you get the cogs ? where they from Brompton ? IF so did the vendor help at all in the situation or solutions?
The chain is the original one used on the SL-2, with the two gears. Isn't that already the correct width? I ordered the BWR and new cogs online from a Brompton supplier. I haven't asked them for advice yet, as they are only a parts supplier.

Anybody here has a six-speed BWR?
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