Rotary 14982 Rim Sprocket Kit C/S .325 by Rotary $27.30 Sold out 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out PRODUCT INFORMATION Type Sprocket PRODUCT DESCRIPTION DESCRIPTION Rim Sprocket used on Echo CS450, CS451, CS452, CS500 & CS550. To use when replacing 3/8 chain with .325. FITS MODELS ECHO CS450, CS451, CS451P, CS452, CS500, CS550, CS5500P