A functioning rear mech is essential for crisp shifting but how often do you check the wear on its component parts?

Huge 17-tooth pulleys said to run more efficiently than stock – but at a hefty price Danish bearing friction specialist CeramicSpeed is moving slightly outside of its comfort zone for its latest ...

Add Yahoo as a preferred source to see more of our stories on Google. ceramicspeed OSPW RS alpha solid wheels pulley cage for road and gravel First introduced as the OSPW-X system for the new SRAM ...

Have you ever seen a flag being raised, or wondered how a mechanical clock works? Let’s take a look at some of the simple mechanisms that they use. Pulleys and gears. When a flag is raised, it will ...

Back in 1976, Roger Durham claimed that the reduced friction in his red anodised Bullseye jockey wheels – ‘pulleys’ – could save you the equivalent of a 100ft climb over 100 miles; ever since, ...

A gear close gearA gear is a mechanical part with teeth that interlock with another gear or belt to transfer motion and power while changing speed, or direction in a mechanical system. is a special ...