Technical & Reference Section > Tech and Restoration

More seatpost woes! Is there another sizes besides 7/8ths and 13/16th?

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oldschoolace:
This fookin vitus has me stumped lads. After finding a glassfibre post lodged in the bottom of it the other day I gave the seat mast a good scrub and a going with a tube honer. Clean as a whistle now.  :daumenhoch:

tried the cleaned up Gt post back in it today and it was still tighter than you would expect and wouldn't go much further past the keyhole slot.

I assumed as its French double butted tubing and that it has a glassfibre post lodged in it that it probably needs a 13/16th post but I reckon if I took the 1.6mm difference off the gt post it would rattle around in there like a Biro in a hooker  :-\

Is there another size im unaware of or is it deffo 13/16 or 7/8th

Gnarlyscoots:

--- Quote from: oldschoolace on April 28, 2015, 08:14 PM ---13/16 or 7/8th

--- End quote ---
Is that 20.6 (21) and 22.2 mm yes  :whistle:

oldschoolace:
Yep that's right for you younger kids  :LolLolLolLol:

Gnarlyscoots:

--- Quote from: oldschoolace on April 28, 2015, 08:34 PM ---Yep that's right for you younger kids  :LolLolLolLol:

--- End quote ---
;D

I think I am right, I may be just b**********g but, didn't GT make their posts different sizes, chrome and painted? If you remove the paint from a GT post it is slightly smaller than a chrome post. I think it was GT anyhow  :-\

glenboy:
Yep there's 22.8 as well

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