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PostPosted: Wed Mar 31, 2010 3:40 pm 
King of the Skip Monkeys
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Location: Moomin Valley
To remove the cottered cranks I need a wide fitting axle as the shell is very wide


measurement B on the original axle is 62mm as shown on the SJS diagram below:

Image


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PostPosted: Wed Mar 31, 2010 3:42 pm 
Retro Guru

Joined: Sat Jan 12, 2008 10:50 pm
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Location: Sheffield
Is it for a mark 3 Moulton?


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PostPosted: Wed Mar 31, 2010 3:54 pm 
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It's for a Minx or Mini with raleigh 26tpi and 73mm hub shell.

If you want a loose BB axle you have to use one with a "7' prefix. From memory Tioga did one as did Ritchey.............. 7S would be ideal with a standard crank.

Otherwise running a stb bb tap through the threads should let you use a 73mm sealed bb........

Andy


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PostPosted: Wed Mar 31, 2010 4:16 pm 
King of the Skip Monkeys
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moulton mini with the girder addition


many thanks


just found:

http://www.sheldonbrown.com/raleigh-twenty.html


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PostPosted: Wed Mar 31, 2010 10:50 pm 
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I'm amazed you don't have a twenty yet :-)

Andy

p.s- if you find 7 series bb axles i could do with about 6 for my Moultons/twentys..................

Andy (just bought another Moulton y/day)


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PostPosted: Thu Apr 01, 2010 1:25 pm 
King of the Skip Monkeys
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fatfixie wrote:
I'm amazed you don't have a twenty yet :-)

Andy

p.s- if you find 7 series bb axles i could do with about 6 for my Moultons/twentys..................

Andy (just bought another Moulton y/day)


no luck so far

the threads on my Moulton's BB are standard BTW.


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PostPosted: Thu Apr 01, 2010 1:29 pm 
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standard with a 73mm shell is very unlikely- but if that is the case just use a 73mm shimano bb- much less hassle.

I picked my "new" one up today- appears to be a UK made (most of mine are made by malvern star over here under licence) with what appears to be a small frame, but 16" wheels and a Duomatic rear hub...........

Andy


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PostPosted: Thu Apr 01, 2010 1:57 pm 
King of the Skip Monkeys
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well, without prior knowledge of Raleigh specific threading - I bunged and old Shimano BB to see how far the threads go. Until I read Sheldons article I didnt realize Raleigh used different threads for BB as well as their headsets (which I've come across)


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