111435X Oregon Pro Spur Sprocket
SPROCKET PITCH: .325"
SPROCKET BEARING: 37511 (bearing does not come with sprocket but is available separately)
Fits Solo 639, 644, 651, 651SP
-Rugged and dependable, with excellent wear resistance.
-Available to fit professional-type chains in .325, 3/8" and .404" pitch.
-Five configurations that work on many of the saw models preferred by commercial and professional chain saw users.