Originally Posted by Sangetsu

Not in my experience. As an unfit rider, or a fit rider (or runner) I have noticed no change in how much I sweat. On a bicycle I sweat less than when running because moving quickly through the air aids in evaporating sweat more quickly. But after a long ride, my clothes get covered with white salt, and salt crystals being to accumulate on my shins and such.

Sweating is not a bad thing, it keeps your body cool, and helps to clean out impurities and such.