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Sugino crank puller therading?

Old 07-10-22, 04:43 PM
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philbob57
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Sugino crank puller therading?

I have a Sugino crank puller that I got in 1981. It fit the SR crank that I bought at the same time. Is the Sugino puller likely to have 22.0 threads?

If not, am I right in thinking that a Shimano Alivio square taper crank needs a puller with with 22.0 mm threads?

My grandson will be visiting soon from 800 miles away, his Trek mountain bike's Alivio crank has a middle ring with broken teeth. I'd like to be able to order a new crank and install it for him.

Thanks.

Phil
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Old 07-10-22, 06:58 PM
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Originally Posted by philbob57 View Post
I have a Sugino crank puller that I got in 1981. It fit the SR crank that I bought at the same time. Is the Sugino puller likely to have 22.0 threads?

If not, am I right in thinking that a Shimano Alivio square taper crank needs a puller with with 22.0 mm threads?

My grandson will be visiting soon from 800 miles away, his Trek mountain bike's Alivio crank has a middle ring with broken teeth. I'd like to be able to order a new crank and install it for him.

Thanks.

Phil
The late, noted authority Sheldon Brown indicated that - with few exceptions - most square taper, Octalink, and ISIS cranks use 22mm diameter dustcap threading with 1mm thread pitch. There were a few exceptions, but Sugino, SR, and Shimano were NOT among the exceptions he noted.

His page covering cotterless crank removal can be found at

https://www.sheldonbrown.com/tooltips/cotterless.html

It's definitely worth a read, and the section on "Crank Puller Variations" covers the exceptions. Based on what he wrote there, I think you should be OK using the puller you have - but if it were me, I'd go gently just in case. And I'd read the whole article, if for no other reason than to refresh memory.

Last edited by Hondo6; 07-10-22 at 07:05 PM.
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Old 07-10-22, 07:43 PM
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T/A and Stronglight are different; I think all others are 22.
PS: make sure the washer is out before threading puller in. (don't ask how I know)
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Old 07-10-22, 07:57 PM
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Phil,
It is quite possible that I might have the elusive crank set here in a box somewhere. I pulled apart a few Trek Mt bikes and kept the parts in a box somewhere. If you need gimme a shout. Smiles, MH
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Old 07-10-22, 08:13 PM
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I'm not aware of any Japanese/Asian crank that uses anything other than a standard 22mm x 1mm extractor tool.
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Old 07-11-22, 09:55 AM
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Originally Posted by dmark View Post
...
PS: make sure the washer is out before threading puller in. (don't ask how I know)
Yup, I did not remove the washer once way back during my college days in the mid-80s. Funny how that little lesson stays with me to this day. I couldn't tell you how to take the derivative of an equation or when to use a semi-colon, but I sure do know to check for the washer when removing cranks.

Experience is the teacher that gives the final exam first.
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Old 07-11-22, 10:11 AM
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I have probably that exact tool. A workhorse. It has been the go-to since I got it long ago. No, it won't do TA. I have an older TA puller but it has been idle for decades. My Campy puller is far more elegant. beautifully made but rather specific in what jobs it can handle. The Sugino is much more versatile and is my first grab.

Aside: the old WFT! (Washer deFormation Tool)
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Old 07-11-22, 11:06 AM
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Originally Posted by 79pmooney View Post
I have probably that exact tool. A workhorse. It has been the go-to since I got it long ago. No, it won't do TA. I have an older TA puller but it has been idle for decades. My Campy puller is far more elegant. beautifully made but rather specific in what jobs it can handle. The Sugino is much more versatile and is my first grab.
Sugino made two different extractor tools, both threaded 22 x 1, but one was designed for stud-type bottom bracket axles, the other for hollow, bolt-type bottom bracket axles.

Stud-type extractor:


Bolt-type extractor:
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Old 07-11-22, 12:40 PM
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Originally Posted by JohnDThompson View Post
Sugino made two different extractor tools, both threaded 22 x 1, but one was designed for stud-type bottom bracket axles, the other for hollow, bolt-type bottom bracket axles.

Stud-type extractor:


Bolt-type extractor:
Mine's a stud. It's done a lot of bolt cranks and I haven't heard complaints from my BBs yet.
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Old 07-11-22, 04:07 PM
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Thanks, all. I just didn't think of checking to see if Sheldon had written about this. And since I have one bike, and since it has a Cyclotouriste crank, I'm unfamiliar with the mainstream.

My Sugino is the 2nd type. The guy at the LBS from who, I bought the Cyclotouriste crank (1982?) mentioned TA's uniqueness and recommended getting the the puller along with the crankset. I did, and I guard it closely,

Thanks, MadHonk. I think my son has located a crank at an LBS, and he'll bring it with the bike.
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Old 07-12-22, 07:30 PM
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Originally Posted by philbob57 View Post
The guy at the LBS from who, I bought the Cyclotouriste crank (1982?) mentioned TA's uniqueness and recommended getting the the puller along with the crankset. I did, and I guard it closely
The original Park CCP-1 extractor tool was double-ended, to handle both standard 22 x 1 extractor thread and TA 23 x 1 extractor thread. Stronglight with 23.35x 1 extractor thread was the odd man out, despite being the company that invented the square-taper cotterless crank. Recently, J.A. Stein has offered both TA and Stronglight thread extractor tools, and there's a fellow in Poland who sells double-ended TA/Stronglight extractor tools on eBay.
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