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Converting freewheel to freehub

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mgv46 Offline
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Posts: 4
Joined: Oct 2012
Post: #1
Converting freewheel to freehub
I have a 6 speed Focus Japanese made Road Bike, with Suntour cyclone 6 speed shifters, derailleurs, and freewheel. Will a 7 speed shimano hg cassette work with the 6 speed components? I have a Shimano HF-RS10
WHEEL HUB TO REPLACE THE WHEEL.
Oct 26, 2012 08:47 PM
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Bill Offline
Veteran Member

NY,USA
Posts: 2,765
Joined: Sep 2009
Post: #2
RE: Converting freewheel to freehub
Good you asked some parts just don't like or rather play well with each other. Now from a recent build of a hybrid I can tell you there are a couple things to know about HG (Hyper-Glide) cassettes! I will let you read a little instead of repeating a good article. Here is the link to the late Sheldon Brown's website.
http://sheldonbrown.com/k7.html.
There are a couple more good ole fellas on here that can offer great tips too, just give a little time for them to ring in. Wink.

Good maintenance to your Bike, can make it like the wheels are, true and smooth!
Oct 27, 2012 07:47 AM
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xerxes Offline
Veteran Member

Kent, UK
Posts: 609
Joined: May 2010
Post: #3
RE: Converting freewheel to freehub
If the shifters are indexed, then they have to match the number of sprockets and chainrings. 6 speed shifters with 6 sprocket freewheel/cassette etc., so you can't use a 7 speed cassette with a 6 speed shifter, or vise versa.
Oct 27, 2012 09:17 AM
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mgv46 Offline
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Posts: 4
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Post: #4
RE: Converting freewheel to freehub
Thanks for the link. I'll check it out.
Oct 27, 2012 09:21 AM
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mgv46 Offline
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Posts: 4
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Post: #5
RE: Converting freewheel to freehub
(Oct 27, 2012 09:17 AM)xerxes Wrote:  If the shifters are indexed, then they have to match the number of sprockets and chainrings. 6 speed shifters with 6 sprocket freewheel/cassette etc., so you can't use a 7 speed cassette with a 6 speed shifter, or vise versa.

The shifters are not indexed.
Oct 27, 2012 10:13 AM
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GeorgeET Offline
Veteran Member

Venice Beach, CA
Posts: 1,119
Joined: Apr 2010
Post: #6
RE: Converting freewheel to freehub
First of all why are you planing to do this?? You can get a 7 cog freewheel and not deal with complicated re lacing. Measure frame fit carefully to see if the wider cluster will fit. If its a steel frame you can stretch it a bit. If you have friction non indexed shifter it should work fine once dialed in.

Never Give Up!!!
Oct 27, 2012 11:57 AM
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1FJEF Offline
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Northern Mexico (Central CA)
Posts: 605
Joined: May 2011
Post: #7
RE: Converting freewheel to freehub
On my ancient P.O.S. 3x6 speed (all early SR Suntour non-indexed components) I test fit another modern 7 speed shimano freehub wheel. The rear derailleur would easily adjust out to cover the 7th cog, the thumb shifter would accommodate it also. The rear drop out spread to 130mm with little effort, no cold setting or fuss required.
That is all I checked, I did not try to ride it.
Oct 27, 2012 11:48 PM
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mgv46 Offline
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Posts: 4
Joined: Oct 2012
Post: #8
RE: Converting freewheel to freehub
(Oct 27, 2012 11:48 PM)1FJEF Wrote:  On my ancient P.O.S. 3x6 speed (all early SR Suntour non-indexed components) I test fit another modern 7 speed shimano freehub wheel. The rear derailleur would easily adjust out to cover the 7th cog, the thumb shifter would accommodate it also. The rear drop out spread to 130mm with little effort, no cold setting or fuss required.
That is all I checked, I did not try to ride it.

Thanks, sounds like a good idea.
Oct 28, 2012 10:09 AM
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