All these threads about double and triples, have made me wonder about something:

What's the LOWEST attainable gear you can have with a Compact Double ?
(say, is it a 34x28 or 32?)

Right now, I have an Ultegra triple which bails me out on the steepest climbs after long summer rides at a hard pace, where most of the time find myself in my 30x21.

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