When we request bikes in for review, the first figure we look at is the top tube length or, more often, the effective top tube length. This is the length from the head tube to the seat tube and is ...

But commuting by bike has its own challenges. Your bike and seat might get wet if it rains and excessive UV exposure can ruin a bike seat in a single season. Plus, cycling can be uncomfortable if ...

Tube sizes vary widely — this one is smallish, for a 700c road tire. A 26-inch tire, like you would see on a hybrid bike, is much bigger. In spite of seat bags’ diminutive size, a lot of ...

The rear hub motor is powered by a Samsung 11.6-Ah lithium-ion battery that slides neatly into a holder where the seat tube would be on a more traditional frame. A single battery powers the bike ...