shimano hub bearing service!! (where to buy new bearings)

lee170 Posts: 236
edited December 2008 in MTB buying advice
My wheels/hubs are in need of attention, I think 5 years without touching them has taken its toll!!!!!!!!!!
I cant seem to find replacement bearings, I read on one of the websites that you can no longer buy the parts, is this true?
Are there other parts out there made by another company that will fit, Or will a a good clean of the existing bearings be ok or are they shot!!!


2015 orange crush
2015 cannondale super six evo


  • stu8975
    stu8975 Posts: 1,334
    What model hubs? or what size bearings if you know? For loose bearings most use 3/16" bearing in the front and 1/4" in the back, both should be easily available from you LBS or any other bike shop. Cartridge (sealed) will require the bearing number to get a replacement. But also check to see if your hub is not worn out.
  • dave_hill
    dave_hill Posts: 3,877
    If they're Shimano hubs, they'll be loose balls. Any LBS which sells Shimano kit (and lets face it, are there any that don't?) will be able to get spares.

    If you're still struggling, take the old bearings out, count how many uou've got in each hub, then go to your local bearing dealer who should be able to supply you with loose balls (missus). Just look under "Bearings" in Yellow Pages or on

    Of course, you could use it as an excuse to buy some shiny new wheels with cartridge bearing hubs...!
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  • Dirtydog11
    Dirtydog11 Posts: 1,621
    I had similer problems getting hold of replacement bearings for a set of deore 525 hubs. Shimano just dont do them well lets just say they're always out of stock. But try here Good old weldtite to the rescue. Alternatively just Google weldtite bearings. I've been using them for over twelve months and have had no problems whatsoever. Hope this helps.
  • supersonic
    supersonic Posts: 82,708
    They are just simple ball bearings! Just get the right size, usually 3/16th front (11 per side), 1/4 back (9 per side). Or abput 2 quid in total from a bearing supplier. One reason I like angular cup and cone adjustable loose bearings on hubs.
  • Northwind
    Northwind Posts: 14,675
    Yep, even Halfords will have them in the common sizes (though expensive, and stuck in a cage so you'd need to break it). Bearings are just standard sizes. I like to have a few around in each size because for some reason gravity is stronger when it's pulling a ball bearing :oops:
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