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Description
Fresh Jockey Wheels for Quieter, Smoother Chain Control
This replacement idler and fittings set refreshes the jockey wheels on Brompton derailleur chain tensioners used on 2-speed and 6-speed bikes. Swapping worn idlers can reduce noise and keep shifting and chain take-up running smoothly, especially on bikes that see wet weather or gritty streets.
The pack includes the idler wheels plus the small parts that support them, so you can service the tensioner without hunting down individual hardware. It’s intended for Brompton derailleur setups, not 1- or 3-speed non-derailleur systems.
Small Things – Big Difference
- Replacement idler and fittings set for Brompton derailleur chain tensioners
- Fits 2-speed and 6-speed Brompton setups (derailleur models)
- 10-tooth jockey wheels (pair)
- Includes bushings, fixing hardware, washers, and dust caps for a complete refresh
- Tools required: 2.5 mm hex key, 10 mm spanner, small flat-head screwdriver
UPC / Part Numbers
| Option | SKU | UPC |
|---|---|---|
| Default | Brompton Chain tensioner idlers and fittings for 2 and 6 speed - QCTIDLDRSET | 5053099023097 |
