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Suntour bottom bracket removal without the proper tool

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Suntour bottom bracket removal without the proper tool

Old 11-18-17, 03:39 PM
  #1  
smoothness 
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Suntour bottom bracket removal without the proper tool

As the title states, I'm trying to remove a suntour cartridge bottom bracket without the proper tool. I've asked around at a few shops, and no one seems to have it. I tried a cold chisel and a punch on one side, and that led to dented teeth on the cup.

The cups are not completely rusted, but there are signs that it is thoroughly stuck in the bottom bracket. Does anyone have a way to apply a good amount of force to the cups without the right tool? I've already tried a pin spanner, kroil, vice grips on the outside...
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Old 11-18-17, 03:52 PM
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Going to need pics for something this specific and in my experience lack of the correct tool is usually responsible for the distress and by the time it is acquired it may be too late. That being said we know bikes can often lead to this, so where there is a will there is a way.


Originally Posted by smoothness View Post
As the title states, I'm trying to remove a suntour cartridge bottom bracket without the proper tool. I've asked around at a few shops, and no one seems to have it. I tried a cold chisel and a punch on one side, and that led to dented teeth on the cup.

The cups are not completely rusted, but there are signs that it is thoroughly stuck in the bottom bracket. Does anyone have a way to apply a good amount of force to the cups without the right tool? I've already tried a pin spanner, kroil, vice grips on the outside...
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Old 11-18-17, 03:54 PM
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Originally Posted by merziac View Post
Going to need pics for something this specific..
stole this from sheldonbrown, but this is the same cup.
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Old 11-18-17, 04:02 PM
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Holy crap, thats ugly, any chance a freewheel tool might work? If the pin spanner is a tight fit you could back it up with a socket, camp it all together with a bar clamp and pour the coals to it, maybe get lucky. You could try to make a tool out of a socket by cutting 4 dogs with a cutoff wheel.


Originally Posted by smoothness View Post
stole this from sheldonbrown, but this is the same cup.
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Old 11-18-17, 04:09 PM
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Maybe you're asking for the wrong tool. Nobody knows what suntour is anymore. BBT-18 may fit those too, can't remember. It has 8 pins. You should be able to verify from the measurements. Still available for sale. https://www.amazon.com/Park-Tool-BBT.../dp/B000R9G7MO

Punch and hammer is the wrong tool. IF you don't have the correct tool, you would have to make your own.

Assuming you know this, but if you don't: Make sure you are turning the right way, which is the wrong way on the drive side.
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Old 11-18-17, 04:16 PM
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Originally Posted by Salamandrine View Post
Maybe you're asking for the wrong tool. Nobody knows what suntour is anymore. BBT-18 may fit those too, can't remember. It has 8 pins. You should be able to verify from the measurements. Still available for sale. https://www.amazon.com/Park-Tool-BBT.../dp/B000R9G7MO

Punch and hammer is the wrong tool. IF you don't have the correct tool, you would have to make your own.

Assuming you know this, but if you don't: Make sure you are turning the right way, which is the wrong way on the drive side.
BBT-18 is for octalink/isis; it doesn't fit.

Ideally I'd find a solution that doesn't involve making a tool. I was also turning it in the right direction.

For reference, there have been threads like this before, and most of them say "go buy the tool on ebay" or "i have one, i'll lend it to you."
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Old 11-18-17, 04:29 PM
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I know it's for the octalink, Are you sure the BBT-18 doesn't fit the Suntour too?

If the inner and outer diameters are with a mm or two, it'd be possible to modify it to work.
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Old 11-18-17, 04:32 PM
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Then you fabricate a tool in your Shop.
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Old 11-18-17, 04:48 PM
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I put one in using the tips of a needle nose pliers.

I had to borrow a tool from someone to get one out. Fantastic piece- those Suntour VX bottom brackets!
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Old 11-18-17, 04:49 PM
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Sheldon says the FR-6 4 pin freewheel tool can remove the old suntour BB.



BB's tend to require a whole lot of force, which is why improvised tools don't tend to work for them.
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Old 11-18-17, 04:50 PM
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Originally Posted by Salamandrine View Post
I know it's for the octalink, Are you sure the BBT-18 doesn't fit the Suntour too?

If the inner and outer diameters are with a mm or two, it'd be possible to modify it to work.
I've physically put the tool onto the bottom bracket. it does not even closely fit.
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Old 11-18-17, 04:52 PM
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A Suntour TA-230 is the tool that's needed for these bottom brackets. I've gotten them off (of non-rusty BBs) with an adjustable pin spanner.



Someone had a handful of these on eBay about 2 weeks ago for $15 each. Don't know if they were sold or the listing expired.
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Old 11-18-17, 04:53 PM
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Originally Posted by Salamandrine View Post
Sheldon says the FR-6 4 pin freewheel tool can remove the old suntour BB.



BB's tend to require a whole lot of force, which is why improvised tools don't tend to work for them.
With modification, if you're lucky.

I know one person with that tool, and I've lost track of him.

Copious amounts of something like PB Blaster and a jury rigged tool if you can't locate or modify a tool.
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Old 11-18-17, 07:01 PM
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i guess i should change the thread title to: "need to borrow bottom bracket tool. will pay in bicycle parts and beer." bleh. thank you for all the responses.
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Old 11-18-17, 08:34 PM
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The Park "yellow" pin spanner ought to work as long as the cups aren't corroded in place:

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Old 11-18-17, 09:32 PM
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Originally Posted by Vintage_Cyclist View Post
A Suntour TA-230 is the tool that's needed for these bottom brackets. I've gotten them off (of non-rusty BBs) with an adjustable pin spanner.



Someone had a handful of these on eBay about 2 weeks ago for $15 each. Don't know if they were sold or the listing expired.
Well son of a gun! I have two of these BBs in use- and the tool would come in really handy!
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Old 11-26-17, 08:19 PM
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Originally Posted by The Golden Boy View Post
Well son of a gun! I have two of these BBs in use- and the tool would come in really handy!
Suntour Wrench TA-230 Tool - eBay - $20.36 shipped
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Old 11-26-17, 08:28 PM
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you can try kludging it with needlenose or slant nose pliers
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Old 11-26-17, 08:36 PM
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Originally Posted by Vintage_Cyclist View Post
Thank you very much!

Ordered!
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Old 11-26-17, 08:39 PM
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Originally Posted by bike_galpal View Post
you can try kludging it with needlenose or slant nose pliers
You can do that, but it chews up the "teeth" or slots on the cup thing.
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Old 11-26-17, 08:40 PM
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I have literally no need for that tool, but that’s an awfully good price. They usually go for 2-3x that on the auction site.
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Old 11-26-17, 08:41 PM
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Heat and vibration.
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Old 11-26-17, 08:46 PM
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A piece of flat bar stock, hacksaw, and grinder. Then a big adjustable
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Old 11-26-17, 09:52 PM
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Originally Posted by jpaschall View Post
I have literally no need for that tool, but that’s an awfully good price. They usually go for 2-3x that on the auction site.
Just wait until you get one of those BBs!

What auction site? .


Why do people not say "eBay?" People don't obscure Nashbar or Yellow Jersey, or Harris Cyclery or any other store or business. And then there's nowhere else to get the parts and stuff procured from eBay.
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Old 11-26-17, 10:18 PM
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Originally Posted by Salamandrine View Post
...Punch and hammer is the wrong tool. IF you don't have the correct tool, you would have to make your own...
If the threads aren't rust-welded shut, this can work. It's actually how I removed my own Suntour BB. Not pretty when it's done, but I never intended on reusing it anyway.
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