+1 about avg speed. It should only be used on a fixed course you use on regular basis. If you change your course, your avg speed will greatly change. When I do hill reps, I may only avg 11-13mph. going up and down. Byt the time I do my last climb, my legs are frazzled and can only average 8mph.

as for the steepest hills, it seems most are around 30-37% range. I might try the LA hill climb. see how many reps I can do.

Steep climbs :
Climb the kaiser with near 20% grade for half a mile from big creek station to billy creek lunch stop elevation 5280' GPS reading at big creek. lunch stop was over 8,000' after riding for less than 5 miles.

another one was at Sierra Classic on slug gulch. A set of stair case climb. 200foot climb with about 100' flat "rest area" about 18% grade on the climb.

death ride on Ebetts. At hairpin turns, the inside portion hits about 18%.

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Ace,

if you have had knee trouble, seriously think about going to a triple with 30+ cog in rear. Climbing hills by mashing is extremely hard on the knee. So do be careful.

smilingcat