Double check the settings on your bike, if possible check with your local bike shop on a bike fitting. Saddle height could be a factor. Or just possibly your body is getting accustomed to moving in ways it hasn't in a while.
I'm heavier but have never had a problem with calves even at the outset of resuming cycling a few years back. But hey, we all have unique bodies, right? :-)
Co-Team Leader for All Health Pros, Binghamton Area Losers & Laid Off But Staying Strong SparkTeams
Don't die with your music still in you. -- Dr. Wayne Dyer
"We either make ourselves miserable or we make ourselves strong. The amount of work is the same." --- Carlos Castaneda
"You yourself, as much as anybody in the entire universe, deserve your love and affection." --- Buddha rules4humans.com
| Pounds lost: 78.0