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PostPosted: Wed Jan 29, 2014 4:30 pm 

Joined: Thu Jan 05, 2012 1:26 am
Posts: 80
Does anyone know of someone that is making different size chainrings for the new shimano four bolt cranks? I know that shimano makes a 46, but I would like to be able to run a 44 or maybe even a 42 as a big ring for cross.

PostPosted: Tue Feb 18, 2014 11:06 am 

Joined: Mon Dec 09, 2013 3:19 pm
Posts: 283
Location: Denmark
I think you can use Rotor chainrings.

PostPosted: Tue Feb 18, 2014 8:16 pm 

Joined: Tue May 23, 2006 4:33 am
Posts: 924
Just use their inner chainrings, which come in even-tooth sizes from 34 to 44. To dress them up, use the Rotor chainring caps. I've had no problems with these combinations. If you check the 39/46 combination that the pros get, I don't believe the 46 has any ramping or other shifting enhancements, so you're not missing out on anything with these combinations. And riding cross with a 34/42 or 36/42 is a really nice pairing.

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