Bikeforums.net is a forum about nothing but bikes. Our community can help you find information about hard-to-find and localized information like bicycle tours, specialties like where in your area to have your recumbent bike serviced, or what are the best bicycle tires and seats for the activities you use your bike for.rhys9000
06-12-06, 12:16 PM
I am troubled as to finding out the seatpost size on my trek jack 3 frame. I got the frame as a replacement for a cracked trek bruiser, but the frame came with no seatpost and i have no clue where to find the size. it isn't on the trek website and i cant find it anywhere else either. the diameter is roughlt just under 31.2mm but is it 31,8 or 31,6??? help me!!!