As part of an odometry project in progress, I discovered that a digital bicycle speedometer, the bike computer, seemed to be the perfect pick for some tinkering. I looked for a cheap version online, ...

If you want to know just how fast you can go on your vintage fixed-gear conversion, but can't bear to put an ugly plastic computer onto your beautifully curated bike, this concept bicycle speedometer ...

I have been speeding around on a new bike this weekend, a cheap-o fixed gear I picked up in order to study for the Gadget Lab build-a-fixie project. I’m hooked — it’s so much fun riding the thing.

I almost crashed into a baby the first time I rode with the LiveRider iPhone bike computer. Not just a baby, but a woman riding perpendicular to me with a baby carrier on the back of her bike. I was ...