815-21-30-PTBS
Split drive sprocket, machined from solid,
with guide rings in polyamide, 21 teeth,
bore 30 mm with keyway, width: 47.5 mm,
hub width: 41.5 mm, for chains series 815,
812, 881M, screws and parallel dowel pins in
stainless steel, inserts in nickel plated brass
with guide rings in polyamide, 21 teeth,
bore 30 mm with keyway, width: 47.5 mm,
hub width: 41.5 mm, for chains series 815,
812, 881M, screws and parallel dowel pins in
stainless steel, inserts in nickel plated brass
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