Fits Models: Stihl 024 and 026 before Serial No. X25809074, MS 260 and MS260 Pro
Specifications: Crank Diameter: 0.3937" Crank Diameter 0.3937" Chainsaw Pitch .325" Teeth 7Bearing included
Additional Information: Use with 085-0217 Rim Sprocket 085-0217 Rim Sprocket, Use with 635-428 Sprocket Bearing 635-428 Sprocket Bearing