Chainring bolts

Discuss light weight issues concerning road bikes & parts.
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San Marco
Posts: 362
Joined: Fri Jul 01, 2005 3:58 pm
Location: UK

by San Marco

Is there a tool for the back of Campag Record Carbon cranks chainring bolts, the t30 torque bolt type.

I've got one bolt that's a pig to undue. I have a shimano chainring bolt tool but that's too wide for the rear slot, I can't hold a suitable screwdriver on it. Any ideas?

BdaGhisallo
Posts: 1795
Joined: Wed Mar 17, 2004 1:38 pm

by BdaGhisallo

You need to get a screwdriver or socket with a Torx T30 head on it if you want to get it out. Don't try and muscle it out with an inappropriate tool. That's a surefire way to screw it up!

The torx driver shouldn't be more than a few dollars/euro at a hardware store.

by Weenie


Dicky
Posts: 41
Joined: Tue Aug 30, 2005 11:09 am
Location: Farnham, UK

by Dicky

Hi mate

i've had the same problem, i did get around it by using the end of a engineers steel rule, fitted perfectly !

Dicky

Tristan
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Joined: Wed Feb 22, 2006 7:57 am
Location: New Zealand
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by Tristan

Campagnolo do make a chainring nut removal tool to fit their own nuts, it is fairly inexpensive.

A Park or Shimano chainring nut wrench can be make to fit with a little help from a file or dremel tool.

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San Marco
Posts: 362
Joined: Fri Jul 01, 2005 3:58 pm
Location: UK

by San Marco

Dicky wrote:Hi mate

i've had the same problem, i did get around it by using the end of a engineers steel rule, fitted perfectly !

Dicky


That could be the answer.

I have the t30 socket thats not the problem. The rear holding fork Campag do is for the older units.

Thanks Dicky


by Weenie


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San Marco
Posts: 362
Joined: Fri Jul 01, 2005 3:58 pm
Location: UK

by San Marco

Sorted with the steel rule trick.

I wouldn't want to be a team mechanic with them though.

Thanks to eveyone.

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