BlackStar H100BS21 2 K2S - 100 Pitch Finished Bore Sprocket - 21 Tooth - 2" Bore 6.1/2" so a 3/A58 from any

so a 3/A58 from any major manufacturer shares the same cross-section and length and runs on the same sheaves

Pitch Profile 14M Pitch 14 mm Tooth Profile Modified Curvilinear Number of Teeth 85 Width 20mm Length 1190mm mm Material Neoprene Reinforcement Carbon Cord Color Black Temperature Range -30°F to 185°F

"name": "Is 11/5VX900 interchangeable with Gates 11/5VX900

com/products/gates-t10-1400-14-synchro-power-polyuret-timing-belt"

com/s/files/1/0666/7721/products/800-8M

BlackStar H100BS21 2 K2S - 100 Pitch Finished Bore Sprocket - 21 Tooth - 2" Bore 6.1/2" so a 3/A58 from anyThe BlackStar H100BS21 2 K2S is a 100 pitch Finished Bore roller chain sprocket with 21 teeth, precision manufactured from SAE 1045 steel with induction hardened teeth for extended wear life and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 2" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number H100BS21 2 K2S Chain Pitch 100 Number of Teeth 21 Bore Size 2"