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PostPosted: Wed May 16, 2012 9:56 pm 
Retro Guru

Joined: Wed May 27, 2009 10:41 am
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Looking at the Shimano website the correct part number is Y-21L 98020 but I can't find them anywhere. Anyone know where to get some or alternatives? Size if M9 x 11.5mm.


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PostPosted: Thu May 17, 2012 12:00 am 
Retro Guru

Joined: Tue Feb 08, 2011 4:10 pm
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Any 3/16 ball bearing cone


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PostPosted: Thu May 17, 2012 12:09 am 
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Joined: Tue Feb 24, 2009 2:44 pm
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Location: Tamaris
I replaced a cone recently, because one I had had brinelled on one side, the hub was reasonably okay, so new bearings new grease and a cone I found on a solid axle I had recovered from a dumped bike with basic shimano hubs.

That being the cones are not that hard to find, perhaps the LBS?

As to brinelling, sod it on these hubs the wheel still rotates that is good enough and runs reasonably true, but if I were particular, I might have sacrificed some bearings with grinding paste and ground the brinelling out as I rode.


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PostPosted: Thu May 17, 2012 12:37 pm 
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Location: Northern California
[url]http://www.eurobike.si/index.php?page=shop.product_details&flypage=flypage_new.tpl&product_id=4089&category_id=320&[option=com_virtuemart&Itemid=98&lang=en[/url]


http://www.bikeexchange.com.au/bike_accessories/shimano/hubs/shimano-cone-front-hb-m525/moruya/nsw/100351554


Google Y21L98020 and there are numerous links. Nothing in the Google Shopping link but many of the results generated lead to the item for sale.


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PostPosted: Thu May 17, 2012 4:17 pm 
retrobike rider / Gold Trader
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Joined: Sat Jun 20, 2009 3:45 pm
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do you need one cone or both, as i have one cone that looks very similar to the pictures posted you could have for postage if its any good to you


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PostPosted: Thu May 17, 2012 4:53 pm 
retrobike rider
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silverclaws wrote:

As to brinelling, sod it on these hubs the wheel still rotates that is good enough and runs reasonably true, but if I were particular, I might have sacrificed some bearings with grinding paste and ground the brinelling out as I rode.


that's the kind of s**t i'm talking about :)


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PostPosted: Thu May 17, 2012 9:03 pm 
retrobike rider
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Location: Yorkshire, England
yeti-man wrote:
Any 3/16 ball bearing cone


While it will work, spacers may be needed and not all have the shield plate/dust cover in them.

It may be cheaper in the long run to find a reduced one on CRC/On-One or similar in the bargains pile and match the axle cones up with the models. You'll get bearings as well.


This site is good for finding compatible cones, SJS* if you find the cone is also quite good
http://www.moruyabicycles.com.au/conten ... front.html
so you'll find any of these have the 'correct' replacement cone
Suits HB-M525 (Deore - Disc), HB-M510 (Deore), HB-MC33 (STX-RC), HB-MC32 (STX), HB-MC30 (STX).

Wheels Manufacturing also make replacement (though expensive) cones
http://wheelsmfg.com/shimano-front-hub- ... cone-chart

SJS
http://www.sjscycles.co.uk/shimano-hub- ... pt422_pg1/


*there is another shop out of the many that is often cheaper then the rest, I cannot find my link though.


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PostPosted: Thu May 17, 2012 9:15 pm 
Gold Trader / rb Rider / Special
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twain wrote:
silverclaws wrote:

As to brinelling, sod it on these hubs the wheel still rotates that is good enough and runs reasonably true, but if I were particular, I might have sacrificed some bearings with grinding paste and ground the brinelling out as I rode.


that's the kind of s**t i'm talking about :)


Haha!


Thanks for the new word there.

As what fluffy says, the seals/cover will be your problem as they can vary somewhat.


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