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Singlespeed & Fixed Gear "I still feel that variable gears are only for people over forty-five. Isn't it better to triumph by the strength of your muscles than by the artifice of a derailer? We are getting soft...As for me, give me a fixed gear!"-- Henri Desgrange (31 January 1865 - 16 August 1940)

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Old 03-05-06, 09:05 PM   #1
bikeage
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Sugino Super Mighty crankarms....

i've recently gotten these and they are 144 bcd. It is a road crankset, but I was wondering if anyone knew what would be a good bb length (or good bb in general) to use to get a straight chainline with the chainring on the outside of the circle?
any help would be appreciated
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Old 03-05-06, 09:17 PM   #2
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Old 03-05-06, 11:37 PM   #3
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Quote:
Originally Posted by bikeage
i've recently gotten these and they are 144 bcd. It is a road crankset, but I was wondering if anyone knew what would be a good bb length (or good bb in general) to use to get a straight chainline with the chainring on the outside of the circle?
any help would be appreciated
I have the same crankset, Super Mighty, 165mm, 144 BCD.

They're also ISO taper, not JIS.

I'm using a Campy AC-S 111mm BB, good quality and top price. This put a 42mm chainline at the dead centre of the two rings, so mine's only off by a couple mm. I guess a 107/109mm ISO would be perfect, but you have to but Record to get that in Campy.

Edit:
Miche $23.50
Campy SC-S $16.99
Campy AC-H $27.99

Last edited by Blakey; 03-06-06 at 01:01 AM.
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Old 03-06-06, 12:41 AM   #4
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Originally Posted by Business Cycles
Miche's cartridge bottom bracket with sealed bearings has a 107 mm. spindle with ISO tapers. The cups are without flanges, permitting adjustment of chainline (within a limited range). The splines are the same dimensions as used by Campagnolo, so tools for installing and removing Campy bottom brackets will also work for Miche.
It's cheap too.
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Old 03-06-06, 07:03 PM   #5
bikeage
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Quote:
Originally Posted by Blakey
I have the same crankset, Super Mighty, 165mm, 144 BCD.

They're also ISO taper, not JIS.

I'm using a Campy AC-S 111mm BB, good quality and top price. This put a 42mm chainline at the dead centre of the two rings, so mine's only off by a couple mm. I guess a 107/109mm ISO would be perfect, but you have to but Record to get that in Campy.

Edit:
Miche $23.50
Campy SC-S $16.99
Campy AC-H $27.99
the miche bb will work perfectly with the sugino cranks?
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Old 03-06-06, 07:31 PM   #6
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Originally Posted by bikeage
the miche bb will work perfectly with the sugino cranks?
Well the Miche is ISO, and *my* super mightys are ISO, and my Campy ISO 111mm BB is only a couple of mm out, so a 107 mm should be all good.

But I would suggest you compare a known JIS/ISO crank to yours on a known spindle and see how far each of them slide on. Eg ISO cranks won't slide onto a JIS spindle as far as a JIS crank would. All shimano is JIS AFAIK.
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Old 10-17-07, 03:26 PM   #7
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hey Bikeage what spindle length did you end up getting? I ask because i have the same cranks going on an Italian frame and i cant find the suggested 107/109 spindles.
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