The number of sprags 80 is equal to the number of sprags 40, while {HEAD ~ the clutch teeth} 78 are equal in number to {TAIL ~ the clutch teeth} 20 
The number of sprags 80 is equal to the number of sprags 40 , while { HEAD ~ the clutch teeth } 78 are equal in number to { TAIL ~ the clutch teeth } 20
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH