BlackStar 100BS10 1 1/4 K2S - 100 Pitch Finished Bore Sprocket - 10 Tooth - 1-1/4" Bore Micro-V "sku":"3480-8M-380-D&D"

"sku":"3480-8M-380-D&D"

so a 2/SPB2120 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

"name":"BX47 Classic Cogged V-Belt 21/32 x 50in Outside Circumference"

The D300 ships from the Texas Belting & Supply warehouse in Houston

BlackStar 100BS10 1 1/4 K2S - 100 Pitch Finished Bore Sprocket - 10 Tooth - 1-1/4" Bore Micro-V "sku":"3480-8M-380-D&D"The BlackStar 100BS10 1 1 4 K2S is a 100 pitch Finished Bore roller chain sprocket with 10 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 1 1 4" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number 100BS10 1 1 4 K2S Chain Pitch 100 Number of Teeth 10 Bore Size 1 1 4" Minimum Bore 1" Maximum Bore 1 7 16"