Sleek and lightweight 40t Aluminum chainring for Brompton folding bikes.
Need even lower gearing than the Brompton 44 tooth chainring offers? Try this sleek 7075 alloy chainring with integrated chainring guard.
When installing, you must re-size the chain to 96 links if changing from a different chainring. 60 grams.
130 BCD. 40 tooth.
Specifications for: Brompton H&H 40t Aluminum Chainring with Integrated Chainguard
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