4600ft over 70miles according to my gps. I was geared for some reason on this particular trip but the others with me were fixed and coped easily so you should be fine (depending on what those 3 speeds are!).
@Rod_Munch started
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4600ft over 70miles according to my gps. I was geared for some reason on this particular trip but the others with me were fixed and coped easily so you should be fine (depending on what those 3 speeds are!).