Originally Posted by
JiveTurkey
Either bring your bike down to the co-op and try before you buy and/or measure the inside diameter of your seat tube (to the nearest .2mm) with a set of calipers and do the same to the outer diameter of various seatposts. Or, bring your bike to a shop so they can measure for you and sell you the correct post.
Yeah, I need to take her bike in, just means I have to drive over instead of biking over, and I love biking over