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PostPosted: Wed Nov 18, 2009 7:05 pm 
BoTM Winner
BoTM Winner

Joined: Tue Nov 17, 2009 1:03 am
Posts: 1576
Location: Vancouver British Columbia Canada
Looking for some insight from road bike experts.I purchased a set of what i am told are 1970's Lambert pedals. I was hoping to use on a mountain bike crank set. Building a commuter type mountain bike. Got the pedals, they look to be 9/16" dia. But won't thread into any cranks i have. Tried 3 different sets. Do they have a different thread pitch than mountain bikes? Why won't they work? Also, threades don't have that nice sharpness to them. Kind of rounded off.Would that make a difference? Any help would be appreciated.

Lambert_pedals_1970s.jpg [ 11.15 KiB | Viewed 398 times ]
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PostPosted: Wed Nov 18, 2009 9:40 pm 
rider | rBoTM Winner
rider | rBoTM Winner
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Joined: Fri Jan 25, 2008 1:42 pm
Posts: 5113
Location: Wakefield, Yorkshire
I'm surprised they won't fit standard cranks but then again Lambert did make their own chainsets so perhaps they used a non industry standard thread. The pedals look to be in super condition so it's a pity they won't fit.

If I find out any more I'll post back.

EDIT - are you putting them in the correct cranks? Right and left threading remember.

I've just checked Velobase and they say the crank thread is standard - ... 5&AbsPos=0

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PostPosted: Wed Nov 18, 2009 10:27 pm 
Retro Guru
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Joined: Sat Feb 14, 2009 12:49 am
Posts: 516
Location: Nederland
And if they won't fit at all, and you have no idea what to do with it, please let me know, my Viscount (Lambert) would love to have these nice examples! 8)

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