Most freehubs use replaceable cartridge bearings but some, such as Shimano and Campagnolo, use loose ball bearings sealed within the freehub body. Shimano freehubs can be serviced to an extent, but ...

This is not the case with Shimano's new Q'Auto system, however, as it draws on the rider's own pedaling power. Designed mainly for urban, trekking and gravel bikes – both regular and electric – Q'Auto ...

Thanks to advanced magnet technology, this new freehub design could be less likely to fail. These M-pulse hubs use some of the most powerful magnets, to convert your pedalling power to rear-wheel ...

Shimano XTR: Engineered for the way you ride! We had to keep it a secret for a long time but finally the day has come now to reveal the new XTR to you! We hope you will like it just as much as we do.

It’s a small component we tend to take for granted, but the freehub is an essential part of most bikes and does a vital job. The freehub transmits your pedal power to the road or trail and gives your ...