Trek custom alloy micro-adjust seatpost, 27.2mm diameter.

$25, shipped

Item is used, but in good shape.

Checks or MO's

Picture available.

Questions to: 200miler [at] cyclingforum [dot] com
--
Doug Goodwin YMMV

The thing about the cold is that you can never tell how cold it is from looking out a kitchen
window. You have to dress up, get out training and when you come back, you then know how cold it is.
--Sean Kelly