Replacement for Echo Part Numbers: 

For ECHO Chainsaw Models:  CS-4601, CS-4611, CS-5500, CS-5501, CS-6700,

1 x Brand New Best Quality Aftermarket Replacement Clutch Drum Spur Sprocket with Bearing, 

CHAIN PITCH .325",
NO OF SPUR TEETH = 7,

This spur type can be used to replace the rim type, 

FREE DELIVERY WITHIN THE UK !