I made a belt and pulley system to spin a blower faster than the previous rope-and-stick method, aiming for higher air ...

Oversized drivetrain pulley wheels are popular on road bikes, but less so, on mountain bikes. They can make your drivetrain too vulnerable to damage, in very rocky terrain. Designers at a boutique ...

CeramicSpeed has launched a new oversized pulley wheel (OSPW) RS derailleur pulley system today. The Danish brand says the OSPW has been 'lifted into the future' receiving innovative new tech features ...

Pulley systems are simple machines that make lifting heavy objects easier. They consist of a rope or cable that passes over one or more wheels (pulleys). A single pulley changes the direction of force ...

Shimano appears to be developing a radical new rear derailleur, with a three-pulley design that could wave goodbye to clutch adjustment, according to a patent application filed by the Japanese brand.

To celebrate the start of the first Grand Tour of the season, Danish ceramic bearing specialists CeramicSpeed have launched limited edition pink derailleur jockey wheels to be used by AG2R La Mondiale ...

For a limited time only, CeramicSpeed is offering its oversized and standard pulley wheels in a striking pink option. The pink pulley wheels will be available in the standard 11-tooth combination and ...