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 ...

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 ...

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 ...

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, ...

Bikes with chains may be becoming an endangered species. Belt-driven bikes, which were introduced by boutique bike makers a couple of years ago, are just starting to hit the mainstream. Trek has ...

Gates belt drives are engineered with high-stiffness, long-lasting synthetic compounds layered with carbon fiber cords for superior strength and durability. New nylon tooth fabric improves the Moto X5 ...

Inside the front of your engine, there’s a component that’s either a timing belt, or a timing chain. They both serve the same function, but they’re made of different materials. And while belts aren’t ...

Timing chains are generally more durable than timing belts – though neither is as durable as direct gear drive – however, timing belts are lighter, less expensive, and operate more quietly. Photo by ...