size of t-tube pipe?

[scoot4life1811]

i cut off the t-tube pipe of stock bars and put it in a seat post i want to know what os the size of the tube you cut off from the t-tube

 

[Jason]

... What?

 

[Thomas Kananen]

huhh?

 

[Devon Garcia]

for a crossbar right
if so 7/8

 

[kurt warren]

25mm for crossbar if thats wat ya mean