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Singlespeed & Fixed Gear "I still feel that variable gears are only for people over forty-five. Isn't it better to triumph by the strength of your muscles than by the artifice of a derailer? We are getting soft...As for me, give me a fixed gear!"-- Henri Desgrange (31 January 1865 - 16 August 1940)

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Old 07-25-08, 10:35 PM   #1
Catnap
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correct rear wheel for singlespeed conversion?

Hi all, i'm working on a singlespeed conversion of an old girl's mountain bike, 24" wheels. i'm looking at 24" wheels to buy (it doesn't have any) and i'm trying to go as cheap as possible.

However, I see that almost all the rear wheels available say something like "6/7 spd FW hub" which I interpret as being ready to accept a multi-speed cassette. However, is this kind of hub also OK to screw on a bmx-type freewheel? Does it already come with an acceptable freewheel? Or do I need to specifically get a rear wheel made for singlespeed?

here's some examples of what i'm looking at:

Quote:
Cyclepro Rear Bicycle Wheel

Model # 34-10-123

* Aluminum rim
* QR rear wheel
* Size: 24" x 1.75"
* Aluminum QR 6/7 spd FW hub
* UCP spokes
Quote:

Wheel Master Rear Bicycle Wheel 24 x 1.75 36H, Steel, Bolt On, Silver
* Rear wheel, Bolt On
* Silver rim, Steel
* Hub: 5/6 SP freewheel
* Spokes: 14G chrome
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Old 07-26-08, 07:25 AM   #2
wearyourtruth
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yes you can screw a BMX freewheel on to the hub, it's the same thread pattern as the freewheel cassette. you will *probably* have to redish the wheel to get a proper chainline, however.
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Old 07-26-08, 08:02 AM   #3
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Quote:
Originally Posted by wearyourtruth View Post
yes you can screw a BMX freewheel on to the hub, it's the same thread pattern as the freewheel cassette. you will *probably* have to redish the wheel to get a proper chainline, however.
Missed it by that much...to get a good chain line, you may have to respace the hub (move where the hub sits on the axel). If you respace, then you will need to redish (change where the rim is in relation to the hub).

It's a little intimidating to the first time mechanic, but it's very doable. You can read about it here: http://www.sheldonbrown.com/deakins/...onversion.html
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Old 07-26-08, 03:00 PM   #4
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sorry i was including respacing the axle in redishing the wheel, you are obviously correct, and more thorough in your explaination
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