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Brompton chain tensioner assembly for bikes WITHOUT a derailleur

QCTA

Brompton

Replacement chain tensioner assembly for Brompton bicycles without a derailleur (so your single, three or five speed Brompton).

This can be easily identified by the silver (dirt may change the colour!) metal disc on the longer of the two arms.

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We have 5 in stock

£15.00

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Brompton Chain Tensioner

The Brompton chain tensioner is one of the "essential" list of spare parts for Bromptons with a single rear sprochet and performs an important role in keeping the chain taut whether the bike is being ridden or in the folded/parked position.

This chain tensioner internally geared hubs where only one single rear cog / sprocket is fitted (1-speed, 3-speed or the older 5-speed).

The chain tensioner shouldn't be done up too tight (just over hand tight - approx 5NM for Sturmey Archer and approx 8NM for SRAM hubs) or you will crack the plastic of the chain tensioner.

Instructions for the tensioner are included - or you can see them in the downloads tab.

Brompton Q part code: QCTA
Brompton part number: 9023004

Reviews

Grade 
20/05/2015

Yes, Brilliant

Reassuring level of detail on the website, chain tensioner arrived quickly with instructions for fitting, and everything worked a treat. Thank you!

    Grade 
    25/04/2015

    Perfect replacement

    After eight years my Brompton chain tensioner exploded. This replacement took 10 minutes to fit and is identical to the old one

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      Brompton chain tensioner assembly for bikes WITHOUT a derailleur

      Brompton chain tensioner assembly for bikes WITHOUT a derailleur

      Replacement chain tensioner assembly for Brompton bicycles without a derailleur (so your single, three or five speed Brompton).

      This can be easily identified by the silver (dirt may change the colour!) metal disc on the longer of the two arms.

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