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PostPosted: Wed Oct 17, 2018 9:00 pm 
Newbie

Joined: Thu Mar 12, 2015 12:19 pm
Posts: 6
I have a Marin Bear Valley with M650 long cage derailleur. The cable adjusting bolt is busted, does anyone know where to get a new one?
It could also do with new jockey wheels where do I get them? Sorry i’m A newby and don’t really need a whole used unit off eBay


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PostPosted: Thu Oct 18, 2018 7:33 am 
Retro Guru

Joined: Sun Apr 25, 2010 10:07 pm
Posts: 1792
They are all over ebay along with spare wheels.
https://www.ebay.co.uk/itm/SHIMANO-RD-M ... :rk:8:pf:0


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PostPosted: Thu Oct 18, 2018 9:38 am 
Newbie

Joined: Thu Mar 12, 2015 12:19 pm
Posts: 6
Thanks I didn’t know if they fit the M 650. Any advice about jockey wheels for this derailleur?
Thank You


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PostPosted: Sat Oct 20, 2018 3:17 pm 
Gold Trader
Gold Trader
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Joined: Thu Mar 29, 2007 1:08 am
Posts: 3203
Location: Kray Territory
hannah wrote:
Thanks I didn’t know if they fit the M 650. Any advice about jockey wheels for this derailleur?
Thank You


You'll need a set of 10 tooth for this one, there's a few options out there as mentioned above and they are easy to get hold of.

I used a set of Tacx ones on a recent build, which have worked well and have proper sealed bearings, unlike the originals. Example here: https://www.evanscycles.com/tacx-jockey ... gJ7DPD_BwE .


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PostPosted: Sat Oct 20, 2018 7:45 pm 
Newbie

Joined: Thu Mar 12, 2015 12:19 pm
Posts: 6
Brilliant! Thank you very much indeed I’ll get them on order with the adjuster. I was originally going to buy a new secondhand derailleur but thar would probably be knackered too so this is much better


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PostPosted: Sat Oct 20, 2018 9:45 pm 
Old School Hero

Joined: Tue Apr 19, 2011 10:56 pm
Posts: 170
Location: Scotland
viewtopic.php?f=2&t=390483

The jockey wheels are good and it has the clamp nut (rear mech 3) yours for £10 posted seeing as how you share my gran's name ! It's in really good condition and has plenty of life left in it. Cheers


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PostPosted: Wed Oct 24, 2018 4:34 pm 
Newbie

Joined: Thu Mar 12, 2015 12:19 pm
Posts: 6
A big thank you to Devout Dirtbag the derailleur is perfect and arrived really well packed.
I’m doing a bike maintenance course and the hubs are badly pitted. They are Deore DX M650 FH (rear) and HB (front). So I’m now on the lookout for replacements with decent shiny cups. I quite fancy a go at rebuilding the wheels which are good. It’s an old bike but I like it and it seems to fit.


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PostPosted: Wed Oct 24, 2018 7:31 pm 
Old School Hero

Joined: Tue Apr 19, 2011 10:56 pm
Posts: 170
Location: Scotland
Glad you are happy with it ! I taught myself to build wheels a few years ago from Roger Musson's excellent book, most enjoyable and very satisfying, so needless to say I can't offer you any hubs but as you can see on the macretro sales thread I have 3 pairs of 26" wheels for sale.....once I started building I forgot to stop. All heading for Preston bike jumble in a few weeks if you want to hijack me.............


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PostPosted: Wed Oct 24, 2018 9:40 pm 
Newbie

Joined: Thu Mar 12, 2015 12:19 pm
Posts: 6
Garstang jumble is 4th November is that the one?


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PostPosted: Wed Oct 24, 2018 9:48 pm 
Old School Hero

Joined: Tue Apr 19, 2011 10:56 pm
Posts: 170
Location: Scotland
https://en-gb.facebook.com/LongridgeCycleJumble/

Bike v bicycle ! I wouldn't fancy building wheels for them !


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