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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.

40X70 Weld Sprocket for X Series Weld Hub 70 Tooth

$50.45
SKU WELD40X70

40X70 Weld Sprocket

Bore to Fit X-Hub 2"

Fits #40 Roller Chain

70 Teeth

Outside Diameter = 11.43" 

Pitch Diameter = 11.145" 

These are Flat Plate Steel Weld Sprockets

Free shipping in the USA!