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.
Here's how it works: Let's start with the 26 x 2.125 size that became popular on heavyweight balloon tire bikes in the late '30's and still remains common on beach cruiser bikes. This size tire is very close to 26 inches in actual diameter. Some riders, however were dissatisfied with these tires, and wanted something a bit lighter and faster. The industry responded by making middleweight tires, marked 26 x 1.75 to fit the same rims.