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shackattack
Joined: 02 Jun 2008
Posts: 4
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 Posted Mon Apr 6, 2009 6:59 pm |
Can anyone help me find the bearings for my Mongoose Teocali 06. The independant suspension system is knocking quite badly and I can't seem to find the bearings anywhere. Any idea's ?
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nicklouseLives Here
Joined: 20 Mar 2003
Posts: 57292
Location: A Yorkshire man in Sweden
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dave_hill
Joined: 16 Oct 2007
Posts: 3831
Location: Burnley, Lancs.
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Posted Mon Apr 6, 2009 7:32 pm |
Go to yell.com and look up "bearings" in your area.
If you can't find a size marked on them (usually etched into the edge of the outer race, something along the lines of 6001-RS or similar), take the old ones out and take them to your bearing supplier of choice.
Whereabouts do you live? Is there a branch of BSL Brammer or RS with a trade counter anywhere near??
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JayPic |
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JK in the UK
Joined: 28 Nov 2008
Posts: 125
Location: Reading, Berkshire, SE UK
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Posted Tue Apr 7, 2009 7:48 am |
A-ha I'm your man! I've just replaced all the bearings on my '06 Teocali Super last week - you're in for a treat!
Which bearings do you need to replace? All of them? If it's the Super you've got I assume you've still got the Sun Ringle Abbah wheelset - if so those bearings will no doubt require replacing as well - I can tell you the type of bearings you require for those too if required....
The frame bearings are 4 * 6000 2RS bearings - they're easily bought from any bearing seller or on eBay. Off of the top of my head big bearing sellers include:
EBR bearings
Bearing Boys
Simply Bearings
Bolton Engineering
SMB Bearings blah blah blah - there's hundreds.....
The bearings in the link behind the BB are 4 * HK1210. However if it's these that are knackered (and they're always the first to go - I've replaced mine 3 times to the once I've replaced the others) you're about to open a can of worms I'm afraid.
Basically they are needle bearings and have no sealing. As a result, no matter how good you are at greasing them, the 'needles' rust and sieze solid in their race. These then wear through the nickel plating on the mild steel shafts that act as the inner race causing more rusting - you'll see lines of raised rust that match the needles of the bearings. Basically if you replace the bearings the shaft will bugger them almost straight away - it's an appalling design error... A replacement kit from the Mongoose dealer (Hotwheels) which contained new bearings, hollow shafts (note not bolts) and the end caps cost me £30 about 18 months ago. I wouldn't want to know what it costs now and further more guess what'll happen in 6 months time.....yep, new kit required 
My sincere advice to you is not to replace the needle bearings like for like again, its a waste of time. Go here:
http://www.fogma.co.uk/foggylog/archive/365.html
Gary's webiste shows you photos of what I've described above, explains the problem and provides an excellent solution all on one page! I've commented under 'John K'. Do yourself a favour and give him your pennies!
As for the frame bearings, you might struggle to get them out. I needed to use a bench vice - I don't think I would have been able to do it without one. Basically the problem you've got is that Mongoose stupidly cut the mount in which the bearings sit on the swingarm so its at the same angle as the 'seatstays'. This makes it f***ing difficult to drift the bearings out straight which is ESSENTIAL to prevent you ruining the frame. Ideally you shuold be able to pull the bearings out but it isn't possible. You can pull the two bearings out of the middle linkage that links the shock to the BB though -they're nice and easy.
Don't put off replacing the bearings though - the sooner you do it the better because if the bearings are really shot when you pull them out you can (if you're really unlucky) leave the outer race behind in the frame. Then you've gotta get busy with the dremel.
If you're still going to replace the bearings yourself let me know and I'll draw up some quick sketches showing you how I did it and give you a bit more info etc. I've just realised the above might put you off (don't let it!) so I don't want to waste my time 
John.
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