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SRAM Powerlink for Brompton chain (photos)

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SRAM Powerlink for Brompton chain (photos)

Old 09-09-10, 04:41 AM
  #1  
danoulz
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SRAM Powerlink for Brompton chain (photos)

Hi !
I recently serviced my 2006 Brompton M6R+, and in the process I managed to damage (slightly, but worryingly nonetheless) a chain link by forcing too much with the chain extractor.

Anyway, this gave me an excuse to upgrade the offending chain link with a SRAM Powerlink.

I have a standard 2006 6-speed Brompton (pre-BWR / Brompton Wide Range), so that's 3-speed SRAM gear hub, 2-speed derailleur (13T and 15T sprokets), with a 50T chainring. The required chain is therefore 1/2" x 3/32" (not 1/2" x 1/8"), usually sold with 102 chain links (just remove 2 to get the correct number).

The correct version of SRAM/Sachs Powerlink is silver/grey PC10.
As Brompton says "We recommend SRAM PC1 (1/8") and PC10 (3/32") chains": https://www.brompton.co.uk/page.asp?p=3070
They are normally sold as "7-Speed" models as well.

That's how it looks like:



Chain breakage to remove the damaged link (note: the link is not totally removed on this photo, the other pin need to be extracted to complete the breakage and fit the Powerlink):



Powerlink now in place (very easy to put on):



An finally, the essential cleaning wipes to wipe the mess off !


Last edited by danoulz; 09-09-10 at 06:55 AM.
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Old 09-09-10, 11:08 AM
  #2  
puppypilgrim
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Yeah had to do that with my Dahon after re-installing gears back on. Used something called "Missing Link" instead of the one you used.
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Old 09-09-10, 11:40 AM
  #3  
fietsbob
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On my M3L, so the chain does not have to be derailed.

I just press the rivet back in, I got a half link , use it with the 3/32 Full bushing chain I got ,

(Whipperman) .. one on my Brompton . one on the Rohloff bike.

derailleur chains are bushingless, now, wear faster, but shift sideways, better ..

Ive just pressed the rivet back in My derailleur bike chains for a long time, Sedis Sport, same chain making machines

just pre SRAM's buy out of Fichtel-Sachs-Malliard Group. then They shipped all the machinery to Taiwan..

Last edited by fietsbob; 05-26-14 at 11:22 AM.
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Old 05-26-14, 09:21 AM
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anseldog
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The correct version of SRAM/Sachs Powerlink is silver/grey PC10.
As Brompton says "We recommend SRAM PC1 (1/8") and PC10 (3/32") chains": https://www.brompton.co.uk/page.asp?p=3070
They are normally sold as "7-Speed" models as well.

It doesn't look like the exclusive 7 speed Sram Powerlink you picture is available anymore. However, a silver 7/8 speed Powerlink is available. Can you confirm whether the 7/8 speed Powerlinks fit the 3/32" Brompton chain? Thanks, Clark
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