Help! What is the internal diameter of a 26.2 alloy seat post?
04-28-12, 09:33 AM
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Help! What is the internal diameter of a 26.2 alloy seat post?
OK, I have a classic seized seat post, I've been through all the usual options and now I'm left with the hacksaw option!
I just wondered if someone can tell me the internal diameter of a 26.2mm alloy post. I'm trying to work out what size hacksaw blade I can get down there, before I cut the top off. I have some metal hacksaw blades that are 10mm deep and 300mm long. Will a 10mm blade fit down the post?
I don't have a post to hand at the moment to check!
I just wondered if someone can tell me the internal diameter of a 26.2mm alloy post. I'm trying to work out what size hacksaw blade I can get down there, before I cut the top off. I have some metal hacksaw blades that are 10mm deep and 300mm long. Will a 10mm blade fit down the post?
I don't have a post to hand at the moment to check!
04-28-12, 10:33 AM
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Yea its pretty much about the wall thickness of the seat post tube.
cheaper seat posts go thicker for safety ..
cheaper seat posts go thicker for safety ..
04-28-12, 11:52 AM
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Before cutting the top off. Clamp it in a vise and try turning the frame.
If you can get it to budge, you'll be able to work it out if you're patient. Once it's moved the real concern is that the heat of working it out will cause it to weld or further seize in the frame. So keep adding penetrating oil and work slowly, resting it to cool often, once you've got it to where you can rotate it all the way around, put the post in the vise and work the frame while pulling it away, but don't let it get too hot.
If you can get it to budge, you'll be able to work it out if you're patient. Once it's moved the real concern is that the heat of working it out will cause it to weld or further seize in the frame. So keep adding penetrating oil and work slowly, resting it to cool often, once you've got it to where you can rotate it all the way around, put the post in the vise and work the frame while pulling it away, but don't let it get too hot.
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An ounce of diagnosis is worth a pound of cure.
Just because I'm tired of arguing, doesn't mean you're right.
“One accurate measurement is worth a thousand expert opinions” - Adm Grace Murray Hopper - USN
WARNING, I'm from New York. Thin skinned people should maintain safe distance.
