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Valves provide vital link

As cycling continues to gain popularity, cyclists are demanding more from their bikes. Every component comes under scrutiny when looking to engineer a better bike – and the chain is no different.

Reducing friction and wear

Tribology is an often overlooked subject area and new technologies in the area can often be over looked due to their complex and 'difficult to get right' nature.

Plasma lubricants slip into new markets

Lubricant technology first revealed in Eureka in 2001 is extending its range of commercial applications, thanks mainly to its ability to save energy. Lou Reade reports

Taking it to the limit

Leading experts tell Tom Shelley about the factors that limit the performance of rolling element bearings and how the frontiers are being pushed back.