12T Freewheel sprocket
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12T Freewheel drive sprocket
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This is a Service Replacement part for our discontinued 4G model 1C T-Belt transmission only. Please do not order for any other purpose.
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10mm dia. center hole with 3mm keyway.
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Use 415 and 1/2-3/8" bicycle chain
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Limited supply. Sold only to registered owners of 4G 1C transmissions. When gone no more will be available.
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Soak in Oil before installation.
