The temperature was 6 degrees and a foot of snow practically shut down many communities around eastern Massachusetts, so naturally Greg Ralich decided Wednesday was no day to ride his bicycle to work.
His regular bicycle, that is.
Instead, Ralich mounted his “fat bike,” a sort of snow mobile on wheels that allows him to barrel along icy surfaces on beefy, low-pressure tires some 4 inches thick, which deliver added traction.
“It’s just more fun than driving,” Ralich said. “It’s like skiing — you prepare for the cold, and it’s a blast. Who wants to sit in Boston traffic in the winter?” A hardy corps of riders, many in the technology and life science sectors, maintain a postal worker’s dedication to their routes.
“Hardy is the kind way to put it,” said Michael Taylor, president of Forum Biopharma Advisors in Lexington. “Another word might be crazy.” Full story for BostonGlobe.com subscribers.