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Brompton 44T chainwheel and right hand crank only 3/32 inch View larger

Brompton 44T chainwheel and right hand crank only 3/32 inch



Integrated right hand crank and Brompton 44 tooth Chainwheel - 3/32 inch

This is the pre-2013 integral model (chainwheel and crank are all fixed as one complete assembly)

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This 44 tooth "fixed" chainwheel / right hand (as you sit on the bike) crank fits all Brompton bicycle models built prior to 2013.

Note: Discontinued in 2016 / replaced by the "Spider" crankset introduced on 2013 model Bromptons

This item was finally discontinued in 2016, you should replace both the crankset and bottom bracket if yours needs replacing (the bottom bracket is slightly different to the old ones):

Spider 44T crank set - silver - QCRANKSET-SPI-44
Spider 44T crank set - black - QCRANKSET-SPI-44-BK

(The biggest advantage with these new cranksets is that you can easily change the gearing just by changing the chainring - between 44T / 50T and 54T) 

Whichever colour option you choose you will need a new JIS bottom bracket - QBBCART-119-JIS

This pre-2013 crankset attached to an ISO standard square type spindle as used on the FAG bottom brackets supplied by Brompton.

Complete with chain guard and crank cap.

Changing from the standard 50 tooth chain wheel used on the standard 3 / 6 speed Brompton to this 44 tooth chain wheel should reduce the gear ratio by 12% - making going up hill easier! (you would also need to remove 2 links from your chain)

Tools required:
CCP-22/CWP-7 - Crank puller or equivalent tool
Small flat head screwdriver (to remove cap on crank)
14mm socket (or CCW-5) to undo the bolt holding the crank in place 
Grease (such as PPL-1 from Park Tool) 

For removal / fitting instructions, please check out this link from Park Tool

Colour: Silver (with Brompton logo on crank arm), with black plastic chain guard

Brompton Q part code: QCW-FX-44
Brompton old (pre 2013) Q part code: QCW44
Brompton part number: 9020041

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    Answered questions

  • Asked by Ken Smith
    on 30/11/2021
    Hi, will this QCW-FX-44 be coming back in stock, please? Answer:
    So sorry these were discontinued in 2013, the option ends up being replacing the bottom bracket and chain ring.

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