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Brompton chain tensioner assembly for bikes with a derailleur - QCTADR

Replacement chain tensioner assembly for Brompton bicycles with a derailleur (2 speed or 6 speed)

This can be identified by the fact it has 2 identical looking black jockey wheels where the chain sits in a groove in the jockey wheel.

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QCTADR

Brompton

3 Items in stock

£21.00

Brompton chain tensioner - for 2 and 6 speed Brompton folding bikes

For Bromptons with 2 speed, 6 speed SRAM or 6 speed Sturmey Archer / BWR (Brompton Wide Ratio), this works as a chain tensioner (keeping the chain tight when riding and folded) and as part of the Brompton designed derailleur mechanism.

For details of how to adjust the Brompton derailleur, check out this technical video from Brompton.

Fitting instructions are included or can be viewed in the downloads tab

Brompton Q part code: QCTADR
Brompton part number: 9023011 

If you have a single, three or five speed Brompton (i.e. no derailleur) then you need the standard chain tensioner (QCTA)

Review(s) for Brompton chain tensioner assembly for bikes with a derailleur - QCTADR

Reviewed by: Sir Nigel C
Rating 

Review Title: Quick Delivery

My chain tensioner fell apart and I ordered a replacement from Brilliant Bikes - it arrived the next morning. Great service as usual. Thanks

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    Brompton chain tensioner assembly for bikes with a derailleur - QCTADR

    Brompton chain tensioner assembly for bikes with a derailleur - QCTADR

    Replacement chain tensioner assembly for Brompton bicycles with a derailleur (2 speed or 6 speed)

    This can be identified by the fact it has 2 identical looking black jockey wheels where the chain sits in a groove in the jockey wheel.

    Rate the item and Write your review