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 Post subject: neat idea
PostPosted: Tue Feb 14, 2012 1:20 am 
Gold Trader
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Joined: Thu May 07, 2009 9:12 pm
Posts: 2941
Was just removing some truvativ crank arms fitted to a bike i just got, isis fitment.

typically the allen bolts werent self extracting so i had to have a hunt for my crank extractor.

Found and thought job done as i was screwing the first part in. Could sense something wasnt right as the outter part of extractor started to get only a few turns from its end and i hadnt felt any pressure. Thats when i remember the isis BB is bigger than a square taper so my extractor is going straight through the middle, great.

Closed the garage up and came in the house as i thought i was gonna have to make a trip to halfords in the morning for a correct extractor. Just as i started through the kitchen i spotted a 5p next to the microwave and a light bulb appeared above my head(only JK)

so placed said 5p into crank arm, followed by first part of the taper extractor and hey presto. Managed to do both sides with the same coin although its doesnt so much resemble a coin anymore lol


Someone may have already done summat similar but i was quite chuffed with myself lol


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 Post subject:
PostPosted: Tue Feb 14, 2012 1:21 am 
Old School Grand Master
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Joined: Tue Oct 04, 2011 4:15 pm
Posts: 3499
Location: Behind you with the duct tape pulled out.
yup been done before and a top tip often mentioned on here.


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 Post subject:
PostPosted: Tue Feb 14, 2012 1:47 am 
Gold Trader / rb Rider / Special
Gold Trader / rb Rider / Special
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Joined: Mon Aug 31, 2009 12:26 am
Posts: 16165
Location: Rurally close.
I tried it once, bent the 5p - i didnt get arrested though luckily.


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 Post subject:
PostPosted: Tue Feb 14, 2012 12:31 pm 
Gold Trader
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Joined: Thu May 07, 2009 9:12 pm
Posts: 2941
I thought it might of been aired already but i hadnt seen it so was chuffed, was weird that there was just a 5p sitting there just as i come into the kitchen lol

Was actually quite cool what it did to the coin, made it look like the end product of them novelty presses you put a penny in lol

just wish i could have the same luck at getting the bloody truvativ BB out. The tool is sorta like a HT2 tool but the teeth are more spaced out and typically i aint got owt to get it off


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 Post subject:
PostPosted: Tue Feb 14, 2012 6:14 pm 
Gold Trader / rb Rider / Special
Gold Trader / rb Rider / Special
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Joined: Mon Aug 31, 2009 12:26 am
Posts: 16165
Location: Rurally close.
ISIS tool?


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 Post subject:
PostPosted: Tue Feb 14, 2012 6:55 pm 
retrobike rider / Gold Trader
retrobike rider / Gold Trader
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Joined: Thu Jan 07, 2010 12:23 pm
Posts: 3613
Location: Cumbria
I've tried the 5p thing in the past and never got it to work. Must always get bikes with over tight cranks.


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