Assertion: cog | /r/HasAspect | six special ramp section
Facets:
value: around the circumference
type: LOCATION
value: to aid in shifting
type: PURPOSE
Source sentences:
text: The cog has six special ramp section around the circumference to aid in shifting, and to keep the cog from digging into the soft material of most freehub bodies it has wide tabs by the spline for better load distribution.