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PostPosted: Wed Mar 27, 2013 5:08 pm 
Old School Hero
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Location: Guernsey, Channel Islands
Hi

Bit random but my kid carrying bike (a triobike) has one of these internal hubs in a 26" wheel, but the hub's finally died. They seem quite hard to find nowerdays. Anyone got one kicking around?

Rollo


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PostPosted: Mon Apr 01, 2013 9:37 am 
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Me. I have a couple lying around that I'll never use.

Will be heavy to post though. Which variant is on the bike? You can probably just swap the internals...


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PostPosted: Mon Apr 01, 2013 9:38 am 
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Just saw it's a Triobike from Denmark.

That's not such an old bike - will easily take the new internals.

Send me a PM and can troubleshoot the symptoms for you.


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PostPosted: Mon Apr 01, 2013 10:00 pm 
Old School Hero
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Location: Guernsey, Channel Islands
Legend! The problem started when I was cycling along. It just seized up as the coaster brake arm had become unsecured. It had rotated a lot I think and just locked solid. Being relatively handy I had a poke around and determined it was beyond my skill set. Took it to lbs and they said the coaster brake was buggered and the axle was bent, and it was kaput. As for model, I'm not sure as it's still at the bike shop. It looks like this picture here though: http://www.konstantin.shemyak.com/blog/ ... Nexus7.jpg
What do you think Mr hub-doctor?

Yours

Rollo
07781144144


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PostPosted: Tue Apr 02, 2013 6:31 am 
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How on earth the brake arm became unsecured is a mystery to me.... But yes - that would indeed kill the hub internals. I've only ever seen it happen where the band-on fitting has snapped or where the bolt wasn't done up properly after a tyre change. It's not cost effective to change axles and drivers etc... just bang a new set of internals in and you'll be fine.

Just need to know which number comes after SG7C - printed on the hub shell. But one of the ones I have is bound to fit.


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PostPosted: Tue Apr 02, 2013 12:53 pm 
Old School Hero
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Location: Guernsey, Channel Islands
Hi!

It is an SG7C-18. does that match with any of yours?

Quite exciting to think that it can be fixed without rebuilding the whole wheel.


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PostPosted: Tue Apr 02, 2013 5:05 pm 
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Mine's an older C-21 so would just need to check with some Shimano contacts..... I think it'll be OK but better to be 100% sure. There are some combinations that don't work but I think it's only down to the covers....


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PostPosted: Tue Apr 02, 2013 9:20 pm 
Old School Hero
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Thanks very much!


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PostPosted: Thu Apr 04, 2013 9:54 pm 
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Turns out that what I have won't fit - the dustcap is different and unbodgeably different.

HOWEVER.....

The hub is complete, with Alloy not steel shell - so "better"

OR I can get you a set of new internals in my business capacity but they won't be cheap.....


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PostPosted: Thu Apr 04, 2013 10:43 pm 
Old School Hero
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Location: Guernsey, Channel Islands
Hey, thanks for trying. Will gladly buy your full hub off you. How much do you want?


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