BlackStar 120BS23 2 3/16 K2S - 120 Pitch Finished Bore Sprocket - 23 Tooth - 2-3/16" Bore 3.9/16" The 3/8V1320 has a 1"

The 3/8V1320 has a 1" width

com/products/gates-1830m14-micro-v-belt"

"name": "Does 3/CK120 ship from Houston

"name":"5VX1800 Cogged V Belt 5/8 x 180in OC Diesel Belting"

The 9/C68 has a 7/8" width

BlackStar 120BS23 2 3/16 K2S - 120 Pitch Finished Bore Sprocket - 23 Tooth - 2-3/16" Bore 3.9/16" The 3/8V1320 has a 1"The BlackStar 120BS23 2 3 16 K2S is a 120 pitch Finished Bore roller chain sprocket with 23 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 2 3 16" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number 120BS23 2 3 16 K2S Chain Pitch 120 Number of Teeth 23 Bore Size 2 3 16" Minimum Bore 1 1 4" Maximum Bore 3