BlackStar H100BS13 1 7/16 K2S - 100 Pitch Finished Bore Sprocket - 13 Tooth - 1-7/16" Bore JVS Adjustable Speed Sheaves The BB124 has a 21/32"

The BB124 has a 21/32" width

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The D&D Global 14/A81 is a standard V-belt featuring Classical A-section dimensions

The Megadyne 13/5V2500 is a banded (13-rib) 5V V-belt with a 250

BlackStar H100BS13 1 7/16 K2S - 100 Pitch Finished Bore Sprocket - 13 Tooth - 1-7/16" Bore JVS Adjustable Speed Sheaves The BB124 has a 21/32"The BlackStar H100BS13 1 7 16 K2S is a 100 pitch Finished Bore roller chain sprocket with 13 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 1 7 16" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number H100BS13 1 7 16 K2S Chain Pitch 100 Number of Teeth