Power Transmission > Sprockets > Metric Roller Chain Sprockets > 20B Chain Sprockets > 20B B-Hub Sprockets
20B30 Sprocket With Stock Bore
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Sprocket Size: 20B30 Tooth Count: 30 Dimension (d0): 303.8 mm Dimension (dk): 319 mm Dimension (dn): 150 mm Dimension (d1): 25 mm Dimension (d2): 100 mm Dimension (L): 55 mm Sprocket Weight: 12.0 kg
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Sprocket Size: 20B30 Tooth Count: 30 Dimension (d0): 303.8 mm Dimension (dk): 319 mm Dimension (dn): 150 mm Dimension (d1): 25 mm Dimension (d2): 100 mm Dimension (L): 55 mm Sprocket Weight: 12.0 kg