My weekday after-work rides ara 21-25 miles with about 1000-1200 feet of climbing, mostly in the 1-3% range but there is a 0.2 mile bit that's 8%.
Sundays are 55-70 miles with 3500-5000 feet of climbing. Shorter rides the longest serious gradients are a couple half mile segments of 6%, while the longer ones often contain a 3 mile climb that averages 7.7%. For that, I just get in my lowest gears and keep my HR below aerobic threshold as long as I can.
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"Don't take life so serious-it ain't nohow permanent."
"Everybody's gotta be somewhere." - Eccles