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Sugino VP cranks Bottom Bracket question

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Sugino VP cranks Bottom Bracket question

Old 09-09-09, 04:11 PM
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Sugino VP cranks Bottom Bracket question

I was wondering what would be the proper bottom bracket for my Sugino VP 170mm cranks to achieve a decent chainline when running the chainring on the inside. Its squared tapered. Thanks in advance.

Last edited by Spartian; 09-09-09 at 04:28 PM.
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Old 09-09-09, 08:52 PM
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Need to know what frame it's going on.
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Old 09-09-09, 10:46 PM
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unfortunately the frame was given to me painted, so im unsure of the brand nor does the previous owner remember.

Last edited by Spartian; 09-10-09 at 01:14 PM.
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Old 09-10-09, 01:15 PM
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I measured the rear spacing and it a standard 126mm spacing and 68mm shell width. The cranks I have are road doubles btw. Let me know if you need anymore measurements. Thanks.

Last edited by Spartian; 09-10-09 at 01:45 PM.
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Old 09-10-09, 01:35 PM
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I believe I saw a recommended width for my cranks (RD2L - 103mm) somewhere on the Sugino web site. I then bought a Sugino CBB-103 for $37 at JensonUSA.
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Old 09-10-09, 04:52 PM
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103 would be for running chainring outside of spider on crank. Something more like 107 to 110 should work if you want to run the chainring on the inside. Not sure why you would want to do that that? Are you going to run a chain/bash guard on the outside?
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Old 09-10-09, 08:10 PM
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its just how I have the chainring mounted right now, but since I'm going to get a new bottom bracket I might as well get a bb to run the ring on the outside to be more aesthetically pleasing.
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Old 09-11-09, 09:40 AM
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whats a good cheap English threaded bottom bracket to get in 68 x 103?

Last edited by Spartian; 09-11-09 at 09:56 AM.
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Old 09-12-09, 06:26 AM
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Originally Posted by Spartian
whats a good cheap English threaded bottom bracket to get in 68 x 103?
Good luck finding one cheaper than the one I got. This is an unusual size.

BTW: even with the chainring on the inside, I did need a 103mm wide bb to get the chainline straight with my Sugrino RD2L cranks. On the other hand, with a 107 while the chainline was off, I did ride it that way for a while without dropping the chain so maybe that size is good enough.

Last edited by andmalc; 09-12-09 at 07:02 AM.
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Old 09-12-09, 10:33 AM
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IRD https://store.interlocracing.com/qbqubobr1.html
Tange https://www.benscycle.net/index.php?m...2&currency=USD
Sugino https://www.benscycle.net/index.php?m...6&currency=USD

Sheldon's place...
https://sheldonbrown.com/harris/bottombrackets.html

Last edited by PoN; 09-12-09 at 10:50 AM.
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