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Gear Question

I am getting ready to ride a very hilly...

Posted on

I am getting ready to ride a very hilly century ride in northern Georgia called "the Six Gap". It has 11,000 feet of climb, just climbing over the six gaps, and doesn't count the mountains in between, which I am told adds another 6,000 feet of climbing.
I am riding a Sram Red compact, Dura Ace derailers(no spellcheck), and a Sram 12/28 cassette. Can I use a larger cassette like 12/30 with the components I have

I am getting ready to ride a very hilly...
Responded on

yes, you shouldn't have a problem with going up to 30 tooth in the rear cassette with a Dura-Ace RD. With a compact crank you will have to be heading up some serious slope to really need it, unless you ride with Contador-style cadence on the climbs.

Responded on

You should be good, no need to move up to 30. I rode with a 11/28 last year and did fine. The real climb starts at mile marker 3 on Hogpen Gap, which is mile 68 of the ride. See you out there...

You should be good,  no need to move up to 30.  I rode with a 11/28 last year and did fine.  The real climb starts at mile marker 3 on Hogpen Gap, which is mile 68 of the ride.   See you out there...