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Basic Tools-Stein Tool/Fixed Cup Wrench Clamp

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Basic Tools-Stein Tool/Fixed Cup Wrench Clamp

Old 04-07-19, 05:08 PM
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since6 
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Basic Tools-Stein Tool/Fixed Cup Wrench Clamp

Some “do” and some “don’t” remove the fixed cup when servicing its bearings and the race surface of the fixed cup. The “don’t” I get from how difficult it is to use the oval wrench made for that purpose and get it to fit tight and not slip off damaging flat surfaces that provide the only grip you can get a tool on to extract the fixed cup. There is the solution of the press style fixed cup removal tool, but these can be quite pricey and then there is the Stein Tool-Fixed Cup Wrench Clamp.For much less cost than the press style fixed cup removal tool the Stein Tool-Fixed Cup Wrench Clamp solves the issue of the fixed cup wrench coming off and damaging the cups engagement flats, but unlike the press style removal tool where you have a high torque steel bar to budge the over tightened and rusted in place fixed cup (but penetrated with days of penetrating oil), the torque limit to the Stein Tool would seem to be that of the stamped steel fixed cup wrench which would seem substantially less? But maybe that’s all you need? Which is better, or, is there another tool I haven’t considered?Advice from those who own or have owned either of these tools and how well they have worked, or, a similar tool I haven’t considered is welcome.

Again my thanks for your advice.

Promise no more "Basic Tool" questions for a while.
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Old 04-07-19, 06:00 PM
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Old 04-09-19, 04:09 AM
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I could be wrong but I always thought the term 'fixed cup' somewhat implied that it should not be removed for routine servicing.
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Old 04-09-19, 04:17 AM
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I could probably rig something similar with a bolt, washer, and a large socket. I have good luck with a squeeze clamp around the outside.

I thought "fixed cup" as opposed to "adjustable", not that it was meant to stay in place, once installed.
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Old 04-09-19, 05:55 AM
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Originally Posted by Bianchigirll View Post
I could be wrong but I always thought the term 'fixed cup' somewhat implied that it should not be removed for routine servicing.
Well you are correct, it does. Should not be removed for routine servicing. However, I'm tired of arguing about it with people that weren't around during the loose bearing era, when these racing bike things got ridden every day and serviced regularly.
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Old 04-09-19, 06:02 AM
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I just hold the base of the wrench onto the cup with one hand and tap the end of the wrench with a dead blow hammer.

Or, a bolt and a block of wood with a hole drilled in it would do the same thing.
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Old 04-09-19, 07:05 AM
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Originally Posted by Pompiere View Post
I could probably rig something similar with a bolt, washer, and a large socket. I have good luck with a squeeze clamp around the outside.
That's what I use, but the Stein tool looks like it could be used on either side which could come in handy if the adjustable side is stuck.

Sheldon has an old article on the topic



Originally Posted by Pompiere View Post
I thought "fixed cup" as opposed to "adjustable", not that it was meant to stay in place, once installed.
Correct. There is no lockring on the fixed cup so it's "fixed" to the bottom bracket shell as opposed to the "adjustable" cup that has a lockring.
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