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A 54 tooth replacement black chainring for Brompton bikes.
This is a 54 tooth chainring with attached chainguard for Brompton bikes. You may need to replace a damaged or worn down 54 tooth chainring you already have, or you may be looking to increase your gearing if you have a 3 or 6 speed Brompton that came with a 50 tooth chainring. If your case is the latter, keep in mind you may need a different length chain; be sure to check out our stock of Brompton chains to find the right one.
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