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Quick Mountain bike question

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Old 02-02-2010, 09:09 PM
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Olliexr4x4
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Default Quick Mountain bike question

Can I fit an 8 speed cassette to a wheel that currently has a 7 speed fitted?

Cheers

Oll
Old 02-02-2010, 09:10 PM
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yellow cos 4x4
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yeh its doo able just wont have 8 gears
Old 02-02-2010, 09:19 PM
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Olliexr4x4
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My bike is currently 8 speed, wheels on it are a bit rough, seen some wheels I like on ebay but they have 7 speed cassette fitted, just wondered if I could remove cassette and fit an 8
Old 02-02-2010, 10:11 PM
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Bloomers
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might have a shorter freehub for 7. if so, just replace the freehub with an 8 spd one
Old 02-02-2010, 10:55 PM
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ProjectBobcat
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As long as its a cassette and not a 7spd freewheel that youre taking off, but as said, the freehub body will need swapping too, a 7 speed one will be too short. 8 and 9 are usually the same length however
Old 03-02-2010, 12:00 PM
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Rolls
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Remember you may have issues if the cassettes aren't worm to the same degree with gears jumping..
Hence, when you fit a new cassette, you should always fit a new chain too...
Old 03-02-2010, 12:33 PM
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Originally Posted by Rolls
Remember you may have issues if the cassettes aren't worm to the same degree with gears jumping..
Hence, when you fit a new cassette, you should always fit a new chain too...
and chainrings and derallieur pulleys........


To be honest going from 7 to eight speed 'may' require

Chain
Cassette
Freehub body
Chainset ( possibly )
Front Mech ( possibly )
Bottom Bracket ( possibly )
Shifters

Might as well go the whole hog and get a new groupset
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