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RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  wanted to swap out my old 1 piece crank for a Sugino Cro-Mo
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Author Topic: wanted to swap out my old 1 piece crank for a Sugino Cro-Mo  (Read 617 times)

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piranha

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My bike is a 83 piranha and noticed a slight bent crank arm and not running true, so I just wondering what crown or spider set would people think I should use with the old style Cro-mo's? Does anyone know if they are hollow or just moulded as one solid crank piece?
Plus will I need any spacers for a three piece set Arms, Spider & Crown?
This is what I have at the moment.

« Last Edit: July 26, 2009, 05:54 PM by piranha »

Offline oberonspacefruit

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Re: wanted to swap out my old 1 piece crank for a Sugino Cro-Mo
« Reply #1 on: July 27, 2009, 09:38 AM »
I have a sugino 1 piece crank for sale, if you need one.
I want to touch ORB

piranha

  • Guest
Re: wanted to swap out my old 1 piece crank for a Sugino Cro-Mo
« Reply #2 on: July 27, 2009, 09:58 AM »
Hi mate I think Ive seen it I was looking for a 83 NOS crank and I lost out on egay it went for £45+ my bike has date marks for 83 and it seems 85's are the only ones available?
The issue I've got is the whole bike has just been chromed and looks brand new sticking a used one would mean more chroming hence rather pay for a decent straight one?
if you have more pictures of it I'll tak another look fella?
cheers
Jay
One question can I stick my old 44t into a sugino one piece?

Offline oberonspacefruit

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Re: wanted to swap out my old 1 piece crank for a Sugino Cro-Mo
« Reply #3 on: July 27, 2009, 10:02 AM »
you should be able to. there is a large flat sided nut on th back of the chainwheel, that acts as the bearing run too. That need to come off, then the chainring will come loose. Most 1 piece chain wheels that I have seen, have the same internal diameter hole, i'd be very surprised if it didnt fit.
I want to touch ORB

Offline oberonspacefruit

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Re: wanted to swap out my old 1 piece crank for a Sugino Cro-Mo
« Reply #4 on: July 27, 2009, 10:05 AM »





I want to touch ORB

piranha

  • Guest
Re: wanted to swap out my old 1 piece crank for a Sugino Cro-Mo
« Reply #5 on: July 29, 2009, 09:52 PM »
PM replied!
Jay

piranha

  • Guest
Re: wanted to swap out my old 1 piece crank for a Sugino Cro-Mo
« Reply #6 on: August 04, 2009, 01:33 PM »
Sorry still looking for a decent striaght sugino crank and chrome spider with bolts anyone?
Jay :coolsmiley:

RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  wanted to swap out my old 1 piece crank for a Sugino Cro-Mo
 

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