BlackStar H50BS18 1 5/8 K2S - 50 Pitch Finished Bore Sprocket - 18 Tooth - 1-5/8" Bore LK com/s/files/1/0666/7721/files/Banded_VF_Belts_3f904707-14b2-4f26-bf62-320fc51a8ce7

com/s/files/1/0666/7721/files/Banded_VF_Belts_3f904707-14b2-4f26-bf62-320fc51a8ce7

a 40° sheave angle and a 161 in (Outside Circumference)

com/s/files/1/0666/7721/products/Micro_VBelt_stock_photo_edit_642ffa78-5713-42db-a803-f27f5834fe0f

com/s/files/1/0666/7721/products/Banded_Cogged_Belt_AX_BX_74b2b7c3-ebfc-42ae-88eb-3028e9545aca

so a 12/8V2650 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

BlackStar H50BS18 1 5/8 K2S - 50 Pitch Finished Bore Sprocket - 18 Tooth - 1-5/8" Bore LK com/s/files/1/0666/7721/files/Banded_VF_Belts_3f904707-14b2-4f26-bf62-320fc51a8ce7The BlackStar H50BS18 1 5 8 K2S is a 50 pitch Finished Bore roller chain sprocket with 18 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 5 8" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number H50BS18 1 5 8 K2S Chain Pitch 50 Number of Teeth 18 Bore