By Kathryn Bonham
For Nathan Whipple, an industrial designer and resident of Russian Hill, it was like any other day. For the two years he’s lived here, he would leave his bike outside without worrying about what could happen to it.
He was at a friend’s house the night his $300 Gavin FISSO fixed-gear bike was stolen. They had just finished watching a movie around 1 a.m. when Whipple decided it was time to head home only to find his bike was missing from the po...