Brompton derailleur wheels
The jockey wheels on the derailleur version of the Brompton chain tensioner are made of a durable nylon material
Over time these will wear and could help cause the chain to slip when under load (though in reality it's normally the chain / sprocket combination which is more likely to lead to slipping)
It is common (normal even) to replace the complete derailleur chain tensioner assembly - but it's possible to replace just the jockey wheels and associated components to save waste and some money
Compatibility |
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These derailleur chain tensioner idler wheels are compatible with the following Brompton folding bikes
i.e. Brompton folding bikes which use the proprietary chain pusher derailleur system and have two rear sprockets |
What's in the pack? |
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This derailleur jockey wheel pack consists of the following items:
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This set allows you to replace just the worn jockey wheels on a Brompton chain tensioner
Tip: to keep your jockey wheels lasting longer (this applies to all drive chain components) - keep them clean from dirt / too much oil as this will cause them to wear quicker
Tools required: |
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Brompton 2020 Q part code: Q101511
Brompton Q part code: QCTIDLDRSET
Brompton part number: 9023097