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You might not think engineers are brave.....But it took balls of steel to make the first bearings.
You might not think engineers are brave.....But it took balls of steel to make the first bearings.

08B20H-SB Metric Sprocket 20 Tooth 12MM Stock Bore For 08B British Standard Chains

$46.50
SKU 08B20H-SB

Metric Sprocket for British Standard Chain

08B20H

Stock Bore - No Keyway / Set Screw

PD: 81.18mm

Bore: 12mm

Hub Dia.: 67mm

Hub LTB: 28mm