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2012 Cannondale Super Six evo Bottle cage screw size?

2755 Views 77 Replies 11 Participants Last post by  Coolhand
Anybody know the screw size of the bottle cages for this frame. I bought M5 and there too small, I bought M6 and there too big. Does it have a custom size?
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Sometimes. But not always accurately enough. It's just eyeballing. You can do that with a tape measure too.



An M5x0.8 is 31.75 threads per inch.

And #10-32 is 32 threads per inch.

You can't discern the two with a caliper. Their pitch is near identical.
Measuring the distance between one revolution of thread would be a rookie move and definitely prone to the error you speek of. Measure the span of a (known) number of threads and math it. I do this frequently. All things considered here OP just needs to take the fastener to someone and not buy titanium.
Are you also afraid to leave your home with the door keys out of fear of losing them?
No just losing a special screw i can't replace. I will take it to the bike shop while its in the frame
AHA! I think I've found the issue! OP bought "stupid light" titanium threaded bolts from questionable online distributor. Titanium is VERY hard to work, and very hard to roll. These threads were almost 100% likely to be cut threads, which are sharper and more jagged than a common rolled stainless thread (which, in all reality, weighs only a fraction of a gram more, but costs 90% less). When buying "douchebag fasteners" like these, you really almost always need to chase the threads...
Chase the threads? What do you mean? I could buy another set of M5 screws were i got the M6 screw from does that screw look legit the M6 on the left? I got that from someone else. Does the M6 look legitimate Cause if it does i will buy a M5 from them
Chase the threads? What do you mean? I could buy another set of M5 screws were i got the M6 screw from does that screw look legit the M6 on the left? I got that from someone else. Does the M6 look legitimate Cause if it does i will buy a M5 from them
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That screw is also titainium the M6
Measuring the distance between one revolution of thread would be a rookie move and definitely prone to the error you speek of.
That's not what I speak of. Sure measuring one turn would be silly.
As I pointed out, the difference between 10-32 and M5x0.8 over 1in is counting 31.75 vs 32 turns.
Not an easy count on a tiny screw. Especially for someone who can't go to the store without losing things.
No just losing a special screw i can't replace.
It's NOT a special screw. Nobody is spending the money for a special water bottle screw.

Its simply you not knowing what screw you have. Which you could easily solve if you could manage to get to the hardware store without adult supervision.
You have 4 screws. So you can make 4 trips before losing them all.
Surely you can manage.
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Everyone im the original poster of this topic, Im not trying to start arguments, Everyone needs to chill its just a screw okay, its just a screw. Im sure with enough time someone will know exactly what size it is without me having to go get things measured plus i don't have to change it out. I just would like to. The frame isn't stripped or damaged. Thank you all for your help But Everyone needs to chill a little
Everyone needs to chill a little.
Seasons Greetings!
Seasons Greetings!
Merry Christmas or Happy Holidays
Everyone im the original poster of this topic, Im not trying to start arguments, Everyone needs to chill its just a screw okay, its just a screw. Im sure with enough time someone will know exactly what size it is without me having to go get things measured plus i don't have to change it out. I just would like to. The frame isn't stripped or damaged. Thank you all for your help But Everyone needs to chill a little
We KNOW you're the OP, it says so on every post you make. Most of us also known what size screw you have. 99.99% chance it's M5n x .8. EVERY water bottle screw I can remember seeing in nearly 30 years in the bicycle business was M5 x .8. The only mystery here is why you won't believe those who know and/or why you can't get to the hardware store without have a nervous breakdown about losing a screw that every bike shop on the planet probably has dozens if not hundreds of. And now course why you wasted money on Ti screws.
Not an easy count on a tiny screw. Especially for someone who can't go to the store without losing things.
This is the operative part. I've been designing custom gaging and programming measuring equipment for 25 years...my perspective is skewed by that and I take for granted who the task may or may not be simple to. I do this for a living, OP doesn't know what a caliper is so here we are. OP simply needs to take it to someone...maybe take the whole damned bike to someone at this point. Perhaps that person will set him straight on the titanium fastener thing. Or sell him a bunch.
My 30 years in engineering, manufacturing, and design,and my degree, along with yours are irrelevant.

I said they are readily available . Which is an undisputable fact.

You also said that "M5x0.8 is a FINE PITCH", which is not true. 0.8 is the COMMON pitch, anything smaller (like 0.5) is a FINE pitch; anything larger (like 1.0) is a COARSE pitch. Get with the program......
We KNOW you're the OP, it says so on every post you make. Most of us also known what size screw you have. 99.99% chance it's M5n x .8. EVERY water bottle screw I can remember seeing in nearly 30 years in the bicycle business was M5 x .8. The only mystery here is why you won't believe those who know and/or why you can't get to the hardware store without have a nervous breakdown about losing a screw that every bike shop on the planet probably has dozens if not hundreds of. And now course why you wasted money on Ti screws.
Your post made me think a bit. I think it was only last week that I accepted a shipment of 10,000 of these things from D.B. Roberts (M5x0.8x20mm, SS, SHCS) at work. Went downstairs to my humble collection of bolts and nuts from 50+ years of working on bikes, and..........I have at least 40 of them, just sitting, un-screwed into anything. Probably each of my bikes has 10 of them on each frame, making another 50 or so, making nearly 100 of them just under my own roof...

OP, trust us, there ain't nuthin' 'unobtainable' about your precious bottle cage bolts. It's either a fucked-up thread, or a stripped thread which can easily be tapped by any trained baboon with a thread tap. Get over yourself! Get it fixed!
OP, trust us, there ain't nuthin' 'unobtainable' about your precious bottle cage bolts. It's either a fucked-up thread, or a stripped thread which can easily be tapped by any trained baboon with a thread tap. Get over yourself! Get it fixed!
I once tried to train a baboon how to tap a thread. He couldn't learn it.
You also said that "M5x0.8 is a FINE PITCH", which is not true. 0.8 is the COMMON pitch, anything smaller (like 0.5) is a FINE pitch; anything larger (like 1.0) is a COARSE pitch. Get with the program......
Chillax.
That was a typo. Go read it again.
First I said "M5 x 0.8 is the standard thread pitch."


The second sentence auto corrected
But if you look at the picture attached it's clear I was talking about a M5x0.05. Which is the readily available fine pitch. (y)
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I once tried to train a baboon how to tap a thread. He couldn't learn it.
I bet he wouldn't lose it on the way to the store though
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I bet he wouldn't lose it on the way to the store though
He tried to eat it.
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So.... you bought these bikes from tiawan, in the other thread you wanted to get a cannondale serial number, now you can't figure out how to size a screw? Do I have this right?
How do you ever find your way home after a ride, if you cant figure out how to get to a hardware store?
This is a troll to the max! Fantasticly funny for the holiday season, happy new year!
ASFOS, is that you?
Regarding the baboons, you have to teach them sign language first. That is the key. Once you teach them sign language then, using sign language, you can train them at almost anything from using calipers to assassinating heads of state, even tapping threads.
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