BlackStar 60BS18 2 1/8 K2S - 60 Pitch Finished Bore Sprocket - 18 Tooth - 2-1/8" Bore QD-SD com/s/files/1/0666/7721/products/Single_Wrapped_V_Belt_91f05480-cf45-4fa8-a4f7-14718b7cc3b7

com/s/files/1/0666/7721/products/Single_Wrapped_V_Belt_91f05480-cf45-4fa8-a4f7-14718b7cc3b7

"sku":"Bando-7PK1330"

so the 15/5V3550 interchanges with Gates 15/5V3550

"name": "Is 2/5V670 interchangeable with Gates 2/5V670

"name":"Gates 8MX-60S-12 Poly Chain GT Sprockets 77181060"

BlackStar 60BS18 2 1/8 K2S - 60 Pitch Finished Bore Sprocket - 18 Tooth - 2-1/8" Bore QD-SD com/s/files/1/0666/7721/products/Single_Wrapped_V_Belt_91f05480-cf45-4fa8-a4f7-14718b7cc3b7The BlackStar 60BS18 2 1 8 K2S is a 60 pitch Finished Bore roller chain sprocket with 18 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 2 1 8" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number 60BS18 2 1 8 K2S Chain Pitch 60 Number of Teeth 18 Bore Size 2 1 8" Minimum Bore 1" Maximum Bore 1 15 16" Bore