Assertion: sprocket's pitch | /r/HasProperty | standard #40
Facets:
Source sentences:
text: The chain in use on modern bicycles has a 1⁄ 2 inch (12.7 mm) pitch, which is the distance from one pin center to another, ANSI standard #40, where the 4 in "#40" indicates the pitch of the chain in eighths of an inch; and is standard 606 (metric)