Product Description
Martin 80BS21 2 B Series Sprocket
Tech Specs
Number of Teeth 21
Bore Diameter 2.0000 in
Length Through Bore 1.7500 in
Outside Diameter 7.2350 in
Chain / Sprocket Type Standard Roller Chain
Bore Type Bored to Size
Number of Strands Across 1
Material Steel
Number of Hubs 1
Pitch Type Single
Pitch Diameter 6.7095 in
Caliper Diameter 6.0657 in
