How would you describe your climbing abilities?
I've improved over the last year, from a reasonably poor stating point.
I can get up a cat 4 climb ok, but I've just not tried anything really challenging.
I did the Chilterns Classic earlier this year and got around; I've lost a couple of kg since then.
Any reason why you wouldn't fit a 28? Some folks don't like the jumps in gears but that might be a price worth paying for a bail out gear.
Okay, in my experience you can never have a low enough gear, so I'd go for a 27 or 29 lowest cog, assuming your rear mech can handle it. There might be a time when you appreciate having it.
@ChasnotRobert started
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How would you describe your climbing abilities?