BlackStar 50BS70 1 15/16 K2S - 50 Pitch Finished Bore Sprocket - 70 Tooth - 1-15/16" Bore Thrust Bearing com/s/files/1/0666/7721/products/QD_Sheave_26db07ec-17eb-4122-a4c2-4ae6749cefb0

com/s/files/1/0666/7721/products/QD_Sheave_26db07ec-17eb-4122-a4c2-4ae6749cefb0

com/s/files/1/0666/7721/files/Banded_VF_Belts_051896e2-7fa8-4259-846c-64ba875f8ae3

com/products/gates-tp510h075-powergrip-twin-power-timing-belt"

The BX105 has a 21/32" width

"mpn":"TB072053788198"

BlackStar 50BS70 1 15/16 K2S - 50 Pitch Finished Bore Sprocket - 70 Tooth - 1-15/16" Bore Thrust Bearing com/s/files/1/0666/7721/products/QD_Sheave_26db07ec-17eb-4122-a4c2-4ae6749cefb0The BlackStar 50BS70 1 15 16 K2S is a 50 pitch Finished Bore roller chain sprocket with 70 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 1 15 16" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number 50BS70 1 15 16 K2S Chain Pitch 50 Number of Teeth 70 Bore Size 1 15 16" Minimum Bore 1" Maximum Bore 1 15