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 Post subject: BB Bearing replacement
PostPosted: Thu Jan 15, 2015 12:14 pm 
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Posts: 4987
Obviously i know how to change a BB, What i'm after is the type of bearings or code and supplier of GXP sized bearings.

My BB is starting to creak so rather than replacing the whole units, i was thinking of replacing just the bearings with a good quality possibly ceramic bearing set. They're only press fit so should be easy enough to change?

Anyone done it?

(Eccles i'm looking at you :shifty: )

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 Post subject: Re: BB Bearing replacement
PostPosted: Thu Jan 15, 2015 3:23 pm 
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Posts: 461
Location: In my shed
Try these..very helpful guys.. :)

http://www.enduroforkseals.com/id228.html

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 Post subject: Re: Re: BB Bearing replacement
PostPosted: Thu Jan 15, 2015 3:47 pm 
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RedTwo wrote:
Try these..very helpful guys.. :)

http://www.enduroforkseals.com/id228.html

Now that's what I'm talking about, repair kits and ceramics.

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 Post subject: Re: BB Bearing replacement
PostPosted: Thu Jan 15, 2015 5:49 pm 
Posts: 217
Location: Saffron Walden
That is a great price for ceramic bearings, and the postage is good as well. I may have to invest in some.

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 Post subject: Re: BB Bearing replacement
PostPosted: Thu Jan 15, 2015 6:03 pm 
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GPX uses none standard bearings I believe (like Shimano XTR) to try and get you to buy the whole thing again. I believe they are 6804RS 20x32x7mm (the 7mm width is the tricky bit). The enduro ones use a shim I think to make their more standard size fit.
You'll either need something like a blind bearing puller or some careful use of a socket/punch/flat headed screw driver and hammer to get the old bearing out. I've used a headset press to get the new bearings in straight without applying pressure to the inner race.


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 Post subject:
PostPosted: Thu Jan 15, 2015 7:43 pm 
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I knew I could rely on you rob

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 Post subject: Re: BB Bearing replacement
PostPosted: Thu Jan 15, 2015 8:02 pm 
Posts: 1694
Changing my bb tonight for a wheels manufacturing one and they have three bearing replacement options Enduro bearings have a 1yr grantee also. I'm fitting mine with my headset press enduro bearings and shim seem like a good option


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 Post subject: Re: BB Bearing replacement
PostPosted: Sun Jan 18, 2015 2:00 pm 
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Right dismantled all ready to be identified. Took one original sram one and one superstar one apart. Quite different for something that does the same job.

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 Post subject: BB Bearing replacement
PostPosted: Sun Jan 18, 2015 2:08 pm 
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Posts: 4987
ImageImageImage

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 Post subject: Re: BB Bearing replacement
PostPosted: Sun Jan 18, 2015 6:32 pm 
Posts: 1694
When I changed mine I noticed wear on the chain ring bolts from the stinger. It just showed how much play the drive side bearing had :)


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 Post subject: Re: BB Bearing replacement
PostPosted: Sun Jan 18, 2015 6:34 pm 
Posts: 1694
The steel wheel manufacturing one with non ceramic bearings is super plush


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 Post subject: Re: BB Bearing replacement
PostPosted: Sun Jan 18, 2015 6:46 pm 
Posts: 48
Could try these they sell Enduro bearings in this country, I've used them in the past.

http://www.mountainbikecomponents.co.uk


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 Post subject:
PostPosted: Sun Jan 18, 2015 8:23 pm 
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Cheers Robert, out of stock :(

How's the foot/leg now?

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 Post subject: Re: BB Bearing replacement
PostPosted: Mon Jan 19, 2015 6:16 am 
Posts: 294
There is a bearing place in Maldon. Essex bearings. They may well be able to help.

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 Post subject: Re: BB Bearing replacement
PostPosted: Mon Jan 19, 2015 7:31 am 
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Posts: 4987
I forgot them today i was going to take them to a place near one of my offices, stupidly put them in a mug that i've been meaning to take in since xmas. nope, still forgot.
Think i better order a std one just in case i dont get it sorted before the weekend.

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