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Tandem Cycling A bicycle built for two. Want to find out more about this wonderful world of tandems? Check out this forum to talk with other tandem enthusiasts. Captains and stokers welcome!

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Old 01-05-07, 07:15 AM   #1
newbietotwo
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Burley Bossa Nova

Anyone know what brand of bottom bracket is on this bike? It is a 1994 and I want to remove the bottom bracket ot get it painted and want to get the right tools.
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Old 01-05-07, 09:51 AM   #2
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Burley's own proprietary bottom bracket. They are pressed-in sealed units. Best to leave it alone.

Last edited by TandemGeek; 01-05-07 at 11:24 AM.
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Old 01-05-07, 10:29 AM   #3
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If yer removing if for paint and it's a 1994, you're also buying a replacement?????
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Old 01-05-07, 11:24 AM   #4
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So I understand this correctly, they don't come out?
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Old 01-05-07, 06:07 PM   #5
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The older BBs from Burley are. as Mark said, 'proprietary'.
Once removed it may be difficult to re-insert it into the shell. A trick, that sometimes works, is to put the BB into your freezer overnight so it willl be easier to re-insert into shell.
Or just tape it over for the re-paint.
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Old 01-06-07, 09:30 AM   #6
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Powder coating it so they need to come out. I got the eccentric out no problem, but the stoker bearings are being tough.
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Old 01-06-07, 04:24 PM   #7
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Originally Posted by newbietotwo
So I understand this correctly, they don't come out?
No, they come out and go back in just fine. However, it takes a pair of snap-ring pliers and a bearing press + the knowledge to use the bearing press. Any auto, motorcycle, machine or better bicycle shop should have a press and be able to do it for you.
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Old 01-07-07, 05:23 PM   #8
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Well went to a shop and had marginal success. Distroyed the bearings and spacer, got the spindle ( the important part). Will get new bearings and make a spacer unless there is another option. Anybody got an idea the assembly order for these pieces? I was thinking of pressing in the bearings with the spacer between and then driving the spindle through the whole mess.
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Old 01-07-07, 06:06 PM   #9
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My friend recently had the whole thing replaced at a machine shop with new bearings and I think it was pretty reasonable also in the last 6 month new ones have gone on sale at ebay, but I had know reason to pick one up. Also if desperate a good bike frame shop may be able to covert. Let me know if you need to know what was need at a machine shop and I'll put you two in touch - where are you at Mike
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Old 01-07-07, 09:04 PM   #10
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The bearings are 6203-2RS I believe and they are cheap on ebay as well as other bearing stores. The only item I will have to make is the spacer. What I need to know is assembly order, what to attach when. I am in SW Ohio and have access to tools at a machine shop.
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