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.
This is basically a version of the BB30 or PF30 system. The bottom bracket shell is very wide. However, the shell is not centered to the center plane or middle of the bike. The bike features a large left side chainstay, so the shell is offset to the left to accommodate this.