How to service cup and cone hubs

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Maintenance

How to service cup and cone hubs

Pros and cons of Shimano-favoured bearing system; cleaning, inspecting and replacing


Step three: Clean the cup

Wipe the bearing surface with a rag and inspect for wear or damage (see introduction for common causes). Bearing surfaces are unlikely to be replaceable. “It’s an integral part of the hub,” says Jon.

The bearing cup can still b cleaned with the seal in place

“If it’s pitted, you need to make a call on whether you’re prepared to run the hub rebuilt with new grease and new bearings, but with a slightly pitted cup, or consider having the wheel rebuilt.”

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