Senior Member
Join Date: Sep 2017
Location: Hotel CA / DFW
Posts: 1,858
Bikes: 83 Colnago Super, 87 50th Daccordi, 79 & 87 Guerciotti's, 90s DB/GT Mtn Bikes, 90s Colnago Master and Titanio, 96 Serotta Colorado TG, 95/05 Colnago C40/C50, 06 DbyLS TI, 08 Lemond Filmore FG SS, 12 Cervelo R3, 20/15 Surly Stragler & Steamroller
Since you are not in a hurry to replace or remove the seat post, you can apply a "penetrating" lubricant daily or weekly until you are able to remove it. Lesson learned, caliper correct size next time so excessive force and possible tube damage does not result.