Columba SP26S 14" extended seat post is for taller people whose height is over 6'0" and less than 6'2" This seat post is 25.4mm in diameter, and 14 inch in length. It is designed for SP26S bike only. For installation, just take off the existing seat post, replace with this seat post, then put seat post all the way into frame socket until you can not see the minimum insertion mark. Make sure quick release handle is in locked position for bike frame. If you purchase this item with our Columba folding bike as one order, your shipping charge for seat post will be reduced. Enjoy your ride!
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