I'm having real problems determining the compatibility between my new Cannondale Supersix Evo frame and my existing SISL chainset. I have received several different answers from different people at Cannondale so the WW knowledge base might be my final hope!
Firstly I was told by Cannondale that I would need a new chainring spider (130BCD) and lockring. This was ordered and the shop then looked at it and decided it was the same as my existing spider and that this only applied to older hollogram spiders. So they installed my existing spider.
The chainset was then installed but I am not happy with it...by hand a decent push gives it less than half a complete pedal revolution, the gap between spider and lockring is almost non existent, I am unable to tell if it is rubbing or not but I suspect it is. When installed in my old Supersix the cranks would spin pretty freely...
Having spoken to Cannondale again it appears the crux of the issue may be whether I have a Gen 2 or Gen 3 spider, they are unable to help me determine which I have. Apparently if I have Gen 2 I will definitely need to install that newly ordered spider. Is there any way of telling?
Any advice would be gratefully received, so frustrating to have a new bike and not be able to resolve this. I could live with most issues but even if the extra friction is costing me 10 watts that is going to be crucial in races.
EDIT: Oops, I just remembered this spindle advice was from Quarq last year, for using a Cinqo and Hollowgram on the Evo, not a plain Si SL. Sorry about that! Looks like a couple people have chimed in with the correct info on the Hollowgram spiders, though.
billspreston wrote:From just a few weeks ago:
I installed my EVO with the EVO specific spider .. The difference I could see with the spider (compact) is that the back is machined to clear the Press fit bearing.
I also installed the EVO specific lock ring which again is machined to avoid the outer rim of the press fit bearing. These were fitted onto a standard c'dale spindle.
This combination is working perfectly.
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The Weenie formally known as CAADHEAD
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