I grew up in Seattle and I don't think rain stopped me from riding once. I was carless for several years, but I digress.
Rollers have less to do with strength and more with form. They give you a good cardio workout as well.
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I'm not one for fawning over bicycles, but I do believe that our bikes communicate with us, and what this bike is saying is, "You're an idiot." BikeSnobNYC