Chainrings for a Hollowgram Si chainset

Discuss light weight issues concerning road bikes & parts.
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Mr_Carlos
Posts: 150
Joined: Sun Dec 03, 2006 1:45 am
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by Mr_Carlos

I want to replace the chainrings on my Cannondale Hollowgram Si with some compact ones. Does anyone know what measurements I need, and where is good to buy from (I'm in UK)?

Thanks

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hmai18
Posts: 648
Joined: Mon May 15, 2006 12:19 am
Location: Vancouver, BC, Canada.

by hmai18

I've been perfectly happy with my Stronglight CT2 rings, purchased from xxcycle in France.

by Weenie


Mr_Carlos
Posts: 150
Joined: Sun Dec 03, 2006 1:45 am
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by Mr_Carlos

Cheers will check them out. Do you have to change the spider to run compact rings?

deltree
Posts: 198
Joined: Mon Apr 23, 2012 10:21 pm
Location: London, UK

by deltree

Yes, you'll need to change the spider to a 110mm BCD version. You'll need a proprietary tool to do this.

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hmai18
Posts: 648
Joined: Mon May 15, 2006 12:19 am
Location: Vancouver, BC, Canada.

by hmai18

If you're using a Hollowgram with the 130mm BCD, then yes, you're going to need to change the spider to a 110 BCD to use compact rings.

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