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Replacement gear hanger |
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Andrew S 
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Joined: 14 March 2005 Location: Hornsea, UK Status: Offline Points: 2433 |
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 Topic: Replacement gear hangerPosted: 06 June 2020 at 12:33pm |
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Following an Unfortunate Incident I am in need of a replacement gear-hanger for my Challenge Furai. I believe Challenge stopped trading some time ago so I'm hoping that someone with the necessary skills could make one for me. These are front and side views to give a rough idea of what I need:   I also have detailed measurements available, plus the original part if required (though it may not survive being posted). The crucial dimension, between the mounting holes, is 14.0mm (centre-centre) If anyone thinks they may be able to help, or knows someone who can, then please reply here. The bike is essentially useless without a gearhanger so I'm keen to get it fixed. Andrew Sidwell
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AlanGoodman
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Club Chairman Joined: 04 March 2005 Location: United Kingdom Status: Offline Points: 8036 |
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Posted: 06 June 2020 at 12:35pm |
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Mike Burrows??
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homebrew
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Joined: 29 October 2009 Location: north devon Status: Offline Points: 145 |
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Posted: 06 June 2020 at 4:55pm |
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would another type fit maybe. JB is it steel or alloy ,looks like it could be copied
Edited by homebrew - 06 June 2020 at 5:04pm |
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oke-ja x2
helium frog self built swb and counting |
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Andrew S
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Joined: 14 March 2005 Location: Hornsea, UK Status: Offline Points: 2433 |
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Posted: 06 June 2020 at 5:19pm |
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gearmechhanger.com has 690 different designs. The problem is finding which would fit using just photos with no dimensions. The original is alloy, I'm guessing CNC-ed rather than cast.
Edited by Andrew S - 06 June 2020 at 5:21pm |
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russellbridge
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Joined: 21 October 2013 Location: Manchester Status: Offline Points: 843 |
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Posted: 06 June 2020 at 7:21pm |
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Could mr burrows make you one?
Edit: sorry I posted that without reading earlier posts. Obvs great minds think alike 😁 Edited by russellbridge - 06 June 2020 at 7:22pm |
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RoyMacdonald
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Joined: 09 March 2007 Location: Rye East Sussex Status: Offline Points: 981 |
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Posted: 10 June 2020 at 10:48am |
They have changed owners but they are still trading from a Facebook/Twitter page. Good luck getting parts from them though, they have always been reluctant about supplying parts. Could try an email and see what kind of reply they give. I had a reply when I asked about an old version of the chain guide wheel they used to use. I don't remember their email address unfortunately. All the best. Roy
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RoyMacdonald
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Joined: 09 March 2007 Location: Rye East Sussex Status: Offline Points: 981 |
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Posted: 10 June 2020 at 10:53am |
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Andrew, it occurs to me you could try posting a wanted ad in http://en.ligfiets.net/advertisement or/and http://www.marktplaats.nl/a/fietsen-en-brommers/fietsen-ligfietsen/m1554743283-stroomlijnpunt-met-bagageruimte.html?c=9b26ed2a557deff636f4f8b9c5b7a618
Edited by RoyMacdonald - 10 June 2020 at 10:57am |
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atlas_shrugged
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Joined: 03 November 2014 Location: Cambs Status: Offline Points: 1025 |
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Posted: 10 June 2020 at 8:01pm |
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Hi Andrew After my unfortunate incident with the derailure going into the wheel at Redbridge I had good support from these companies. I sent photos and I think measurements and they suggested a replacement which I bought in hope. Both designs fitted. These were the email addresses I used: Andy Bray info@gearmechhanger.com Dereks Cycles derekscycles@gmail.com If you need really precise 3D dimensions then is a 3D scanner available? Is this a service the above companies could provide? Or could you post the broken hanger to them to see if this helps them find a replacement. |
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Andrew S
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Joined: 14 March 2005 Location: Hornsea, UK Status: Offline Points: 2433 |
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Posted: 11 June 2020 at 5:30pm |
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Thanks for all the ideas. I have now obtained a hanger from GearMechHangers.com which looks like it should fit once I've drilled new mount holes in the dropout. I've also posted a wanted add on ligfiets.net in case anyone happens to have an original replacement. I haven't yet tried contacting what is left of Challenge. I remember Bikefix having trouble getting spares from them some years ago, even when they still fully operational, so I'm not hopeful of a successful outcome there. If the GMH hanger works then I'll probably leave it there, unless some friendly Nederlander turns up with a genuine part.
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RoyMacdonald
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Joined: 09 March 2007 Location: Rye East Sussex Status: Offline Points: 981 |
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Posted: 11 June 2020 at 10:11pm |
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Hi Andrew I remembered I got the email address of Challenge from their web site but it takes quite a while to get an answer. info@challenge-recumbents.com In case you want their web site.http://www.challenge-recumbents.com/contact.php All the best. Roy
Edited by RoyMacdonald - 11 June 2020 at 10:15pm |
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Andrew S wrote: