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PostPosted: Sun May 12, 2013 2:41 pm 
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Joined: Sun Mar 20, 2011 10:46 pm
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Location: london
Can I turn my 105 7 speed wheelset into an 8 speed by swapping the frrehub from an old (knackered) 8 speed rear 105 wheel...

I can't think why it shouldn't work..

Thanks for help,
Matt


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PostPosted: Sun May 12, 2013 2:46 pm 
SotS Winner
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Joined: Wed Jan 09, 2008 2:23 pm
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Location: Grazed and amused
Not every freehub will work with every hub body, but I have successfully transplanted an 8-speed LX freehub onto a 7 speed M732 Deore XT hub so it could well work. You might have to change some spacers or bearing shields.

Don't forget that you will have to re-dish the wheel or it will sit off-centre in the framewith the wider freehub installed.


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PostPosted: Sun May 12, 2013 2:59 pm 
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I'm gonna give it a go.. It's about time I worked out what re-dishing meant..


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PostPosted: Sun May 12, 2013 3:03 pm 
King of the Skip Monkeys
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Its lots of messy fun and very satisfying when accomplished - just dont drink spirits at the same time otherwise blood may be spilt. Beer is allowed and a long playing album is advised.

Cassette side spokes will need tightening maybe 1 - 2 turns whilst the otherside should be let off a similar amount. (from memory)


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PostPosted: Sun May 12, 2013 3:05 pm 
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Gulp


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PostPosted: Mon May 13, 2013 6:15 am 
retrobike rider
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Be methodical, start always from the valve and work round and have a bit of tape stuck to your hand in case you need to pee ( the tape gets stuck to the last spoke you worked on so you don't lose your place ).


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PostPosted: Mon May 13, 2013 3:49 pm 
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Joined: Wed Jun 06, 2012 11:51 pm
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Yeah I swapped 7 to 9 easily :D


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PostPosted: Mon May 13, 2013 10:58 pm 
Devout Dirtbag

Joined: Sun May 09, 2010 12:53 pm
Posts: 137
Location: Great Britain
Swapping to a wider freehub body is not difficult at all. I turned an older shimano xt m735, or whatever, 7 speed hub into a 9 speed by bolting on a freehub body from a nine speed lx hub. A wider axle is needed. Having a few spare spacers, cones and the likes helps too.
A wee bit of re-dishing and the wheel is great. The 9 speed sram cassette fits right on there, and the 8 speed suntour xc expert thumb shifter indexes an m751 xt mech superbly across the cogs. Experimentation is the key.


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