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@iforwms
I just flipped the flop and did my first commute today on the fixed hub. Rode the SS for a week before attempting it. I have a 42:16, which is ~71GI, I have a pretty steep hill to get down (11%, not 6% as I previously thought!), and with a freewheel I was getting to 38mph, according to Rabbit that's 180rpm!
I was struggling earlier with anything above ~25mph which is 120rpm. Once you get used to spinning what kind of cadences can you achieve comfortably?
(I can't change the gear ratio really as I am only just getting up the hill in the morning!)
Also, it will be my first time going down it later today, any tips? On a much milder hill on the way here I was braking a lot to keep my speed down...
Thanks in advance,
-Ifor