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.
These are just 700c rims laced to mountain bike hubs. 27.5 or 650b: The new tweener size for mountain bike wheels. This is the size for true connoisseurs, for whom 26 is a touch too small, and well  29 would just be excessive. That may seem like a lot of wheel and tire diameters. Over the course of history, there have actually been many more sizes.