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 Post subject: How........
PostPosted: Sat Mar 23, 2013 10:42 am 
B.o.T.Y. Winner / Gold Trader
B.o.T.Y. Winner / Gold Trader
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Joined: Thu Oct 27, 2005 11:00 am
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Location: York
..........do I get this off, getting frustrated now, what I thought was an easy job is really bugging me.

Its a six speed on an 88 deore hub

sorry but I need help

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 Post subject: Re: How........
PostPosted: Sat Mar 23, 2013 11:03 am 
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Joined: Fri Sep 25, 2009 3:22 pm
Posts: 419
I think this is a Uniglide hub - the smallest sprocket is screwed on, which holds the rest in place. You simply need to unscrew it, but you'll probably need two chain-whips to do it!

If you've only got one chain-whip, you can wrap a piece of old chain around the big sprocket and then thread a piece of metal bar (like a screwdriver) between the chain links and you might get enough purchase on it to undo it. Or you might just break the screwdriver.


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 Post subject: Re: How........
PostPosted: Sat Mar 23, 2013 11:04 am 
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Joined: Fri Sep 25, 2009 3:22 pm
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Or have you already removed the smallest sprocket? Difficult to tell from the photo... if you've already taken the threaded sprocket(s) off, from memory the rest should just fall off...


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 Post subject: Re: How........
PostPosted: Sat Mar 23, 2013 11:24 am 
B.o.T.Y. Winner / Gold Trader
B.o.T.Y. Winner / Gold Trader
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No, its exactly as it was when I got it but it does look like it should just slide off, oh and yeah - pretty sure its an old UG too.

I will have to try the old double chain whip idea ...... with a spare chain tho as like you say... only got one

cheers
RBG


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 Post subject: Re: How........
PostPosted: Sat Mar 23, 2013 3:15 pm 
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UG was available in 6 and 7 speed... could it be a 6s on a 7s body? If you cleaned it up a bit you might be able to see if the smallest sprocket is threaded and is screwed on :lol:


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 Post subject: Re: How........
PostPosted: Sat Mar 23, 2013 4:37 pm 
SotS Winner
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As mentioned above, you need two chain whips, your small cog is counter tightened against the rest of the cassette. This was Shimano's original cassette system, later replaced by the internally threaded freehub and lockring used to this day.

Some good info here: http://sheldonbrown.com/k7.html


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 Post subject: Re: How........
PostPosted: Mon Mar 25, 2013 2:00 pm 
Windmilling for a Scotch Egg
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Joined: Tue Feb 15, 2011 10:27 am
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Location: Huddersfield, West Yorkshire
Or get yourself a Pamir Engineering Cassette Cracker.


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