I forgot how to put this bottom bracket together
09-09-11, 11:11 AM
#26
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An old thread on the seal thing. https://www.bikeforums.net/archive/in.../t-629909.html
09-09-11, 12:34 PM
#27
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Thanks for the link! Good info!
09-09-11, 12:51 PM
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How much clearance is there between the cup and spindle when passing through the shaft?
09-09-11, 01:28 PM
#29
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has the rubber (seals) harden over time ?
09-09-11, 01:38 PM
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Darn little. I don't have it in front of me to take a photo, but there does not appear to me to be any way for the black ring to fit without some method of driving it. It does not have an "L" shape to the ring, more of a 45degree taper if that makes sense.
09-09-11, 01:38 PM
#31
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Yes, the rubber is pretty hard - about the texture of a plastic coke bottle cap.
09-09-11, 01:45 PM
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You could always replace it with a sealed bb for under 20 bucks. They're not the smoothest bb's in the world but for your intended use it would be ok. I tried the following bb in an old swiss frame because I could not get any crank arms to fit the original shimano ex bb. Check the pic. The bb was about 20.
09-09-11, 01:50 PM
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I've looked for one 68x119 but haven't found one with the right ISO (English?) threading. Suppose I could go with a longer one like a 120 but I'd really like to know it would work before hand.
09-09-11, 02:26 PM
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Read this. https://sheldonbrown.com/bbsize.html The shimano cartridge does not come in 68x119. 68x118 then 68x122. Phil Wood cartridges do but they are very expensive. About $120.00 for just the cartridge w/o the rings.
For as much as you are going to ride this bike just repack with grease and assemble. The loose bearings are the way to go. Here's a link from park tool for bb service. https://www.parktool.com/blog/repair-...racket-service
Good luck.
For as much as you are going to ride this bike just repack with grease and assemble. The loose bearings are the way to go. Here's a link from park tool for bb service. https://www.parktool.com/blog/repair-...racket-service
Good luck.
09-12-11, 07:32 AM
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Thanks, I did just that this weekend. I already own the Park Blue Book. I rebuilt the BB, head assembly, and rear hub in one afternoon, then proceeded to true the front wheel. I don't own a dishing gauge however...and a little short on cash - is there a homemade version of this I can build, or do I even need it?
Cheers
Cheers
09-12-11, 08:45 PM
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If you think about it, you'll realise you don't need a dishing gauge - you can just flip the wheel.
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Sheldon Brown's bike info ~~~ Park Tools repair help
Half-step triple, using double gear ~~~ 6400 STI rebuild walkthrough ~~~ Want 8/9/10s @126mm OLD? OCR. ~~~ Shimano cassette body overhaul ~~~ Ergopower Escape wear repair ~~~ PSA: drivetrain wear
List of US/Canada bike co-ops ~~~ Global list
Sheldon Brown's bike info ~~~ Park Tools repair help
Half-step triple, using double gear ~~~ 6400 STI rebuild walkthrough ~~~ Want 8/9/10s @126mm OLD? OCR. ~~~ Shimano cassette body overhaul ~~~ Ergopower Escape wear repair ~~~ PSA: drivetrain wear
List of US/Canada bike co-ops ~~~ Global list
