Kayaking on Swan Pond River and Swan Pond - in West Dennis MA. Put in at Beach Road. in West Dennis MA. Paddle up to Swan. Pond and return. Estimated round trip. distance = 6+ miles. South Village.
There are 2 components to Bottom Bracket (BB) size, the BB shell width of the frame and the spindle length. Bottom Bracket shell width: The BB shell is the frame tube into which the BB threads. It will measure 68mm, 70mm or 73mm wide.
Mountain bike and road bike wheels are different diameters and use tires that are different diameters. Specifically, mountain bikes use 26 tires and road tires use the ridiculously meaningless 700c sizing. I won't get into what these sizes mean here, but you can find more info on this site or, if you really want to dork out for a bit, read Sheldon Brown's page on tire sizing.