What sealed bb are compatible with shimano ultegra?
08-20-14, 07:35 PM
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What sealed bb are compatible with shimano ultegra?
Thats my crankset, actually mine is triple but is the same thing
the crankset seems different to my previous square taper cranks..
i dont know what kind of sealed bottom bracket should i buy? im looking in amazon.com
Thanks in advance!
08-20-14, 08:17 PM
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I figured it out that its some kind of octalink
i always used square taper spindles, where can i find an octalink spindle with cup and cone bearings?
i always used square taper spindles, where can i find an octalink spindle with cup and cone bearings?
08-20-14, 08:52 PM
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There was an Ultegra version (BB-6500) and a 105 version (BB-5500) but only the BB-5500 is still commercially available. You can use either but would have to find a BB-6500 NOS or on E-bay. There was a Dura Ace BB-7700 Octalink but these are quite rare, expensive and require routine maintenance.
08-21-14, 12:37 AM
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So i can buy any of these with 118.5 spindle and ill be fine?
https://www.amazon.com/Shimano-105-BB.../dp/B001G0VOS0
https://www.amazon.com/Shimano-5500-B.../dp/B004UME0ZA
what about this one? https://www.jensonusa.com/Bottom-Brac...Bottom-Bracket
would it work?
https://www.amazon.com/Shimano-105-BB.../dp/B001G0VOS0
https://www.amazon.com/Shimano-5500-B.../dp/B004UME0ZA
what about this one? https://www.jensonusa.com/Bottom-Brac...Bottom-Bracket
would it work?
Last edited by hitachixx; 08-21-14 at 03:12 AM.
08-21-14, 07:04 AM
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The 105 Octalink bottom brackets (V1 type) in your two Amazon links are fine. The Jenson link is to an Octalink design (V2) used only for MTB cranks and one low line road crank. It will not work with your Ultegra crank.
08-21-14, 08:45 AM
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SuperGimp
Don't forget to buy the special tool to install your new bottom bracket. I believe Park tool's BBT-18 is the one you need:
08-21-14, 10:21 AM
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Thanks for helping me! both of you 
Now im almost ready for Rosarito Ensenada trip
https://www.amazon.com/gp/aw/d/B001A0...=SS115&simLd=1
I think thats the correct tool.. But ive never installed a sealed bearing before id appreciate if you can explain me the purpose of the bbt-22 and the bbt-18. The 18 looks like an exterior wrench key do i need it along witb the 22?
Now im almost ready for Rosarito Ensenada trip
https://www.amazon.com/gp/aw/d/B001A0...=SS115&simLd=1
I think thats the correct tool.. But ive never installed a sealed bearing before id appreciate if you can explain me the purpose of the bbt-22 and the bbt-18. The 18 looks like an exterior wrench key do i need it along witb the 22?
Last edited by hitachixx; 08-21-14 at 11:14 AM.
08-21-14, 12:07 PM
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SuperGimp
Different tools for different bottom brackets, but they do the same thing. When you order the bottom bracket, just make sure you get the right tool for your particular bottom bracket. They've changed the interface over the years.
08-21-14, 03:17 PM
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No special tool is needed. The standard Park BBT-22 cartridge bottom bracket tool fits all of the 5500-/6500 Octalink bbs. The only Park version that won't work is the first model BBT-2 which wasn't bored deep enough the clear the larger diameter spindle. The revised BBT-2 does work.
Last edited by HillRider; 08-21-14 at 03:25 PM.
08-21-14, 03:22 PM
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SuperGimp
No special tool is needed. The standard Park BBT-22 cartridge bottom bracket tool fits all of the 5500-/6500 Octalink bbs. The only Park version that won't work is the first model BBB-2 which wasn't bored deep enough the clear the larger diameter spindle. The revised BBT-2 does work.
08-22-14, 07:13 AM
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