If you’ve been considering buying your first ebike — or perhaps your second or third — chances are you’ve come across some models equipped with a belt drive instead of a traditional chain. But what ...

If you bought a bicycle between say 1893 and 2007, chances are you know what a bike chain tattoo (aka “rookie mark”) is—the greasy imprint of your bike chain on your leg or pant cuff. Bike chains, ...

Harley-Davidsons are special. Aside from their unique "potato-potato" exhaust note, they stand apart from most motorcycles mainly due to their single-pin crankshaft design and their belt final drives.

Frictional belt drives reliably transmit power from source to load without asking much in the way of upkeep. Their modest needs stem from the fact that belts elongate through normal use and wear. The ...

Poly Chain GT2 belt systems require no lubricants or retensioning and handle more than 118,000 high-torque drive combinations. Timing belt pulleys offer smooth entry in and out of the mating pulley to ...

The three most common cam-drive systems are (from left to right) the gear drive, the double-roller chain and the flatlink timing chain. Not shown is the cogged belt drive, which is mainly used in full ...

The Simple Energy One is powered by a 4.8kW motor that has a peak power rating of 8.5kW. What makes the One unique is that, unlike its rivals, it gets a chain drive system. It uses a traditional ...

Probably ever since bicycles were first invented, people have been looking for alternatives to the traditional approach of pedalling in circles. Los Angeles-based inventor Rodger Parker has utilized ...