Ceramic Bicycle Wheel Bearings

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Ceramic bicycle wheel bearings.

Cracking a race could stop a wheel from turning instantly and no good comes of wheels permanently locking up on a bicycle. Additionally silicon nitride does not deform under load keeping contact points with the bearing races to a minimum. I show how to overhaul a cup and cone hub on a rear bicycle wheel. For bottom bracket applications the maximum sustained rpm may be 130 explains lew.

Crafting the fastest bearing products for cycling and industry since 2004. Hand built in denmark. Because ceramic races are more brittle than steel. So for safety reasons ceramic wheel bearings on bicycles are in fact almost always hybrid design meaning ceramic balls on steel races.

Essenc bike cycle bearing press set for wheel hub bearing installation tooling softail frame turning point bearing hub tool. Fitting ceramic bearings on your bike may be a bit like fitting a formula one gearbox in your ford fiesta and expecting it to perform as well after 100 000 miles. I take apart the hub clean all the parts install new ball bearings repack the races wit. Full ceramic wheel bearings would be an amazing way to reduce friction in hubs.

The silicon nitride used in kogel ceramic bearing balls has a set of material properties making them perfect for bicycle wheel bearings. The material can be polished smoother than any metal reducing friction and wear. Leading industry wheel dynamics expert and ceo of edco wheels paul lew backs this up and reckons it makes ceramic bearings a poor choice for hubs and headsets also adding that they offer no weight savings and are only beneficial in environments where high rpm revolutions per minute are required.