Originally Posted by KingTermite

Everybody on bike forums says to order it from www.wallbikes.com instead of local places. I know its great to support your local shops, but Wallbikes has a 6 month return policy so you can send it back if it just doesn't work for you. *FYI*

And yes, B-17 standard is apparently the one that is most popular and has fewest returns. But my opinion is it depends on your bike. I think a B-17 would be too skinny for my old Trek Nav300. Its a very upright position and dictates a wider seat.