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JT 421 Front Sprocket 520 Pitch
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JT 421 Front Sprocket
JT Steel Front Sprockets are manufactured using only the best Japanese SCM420 Chromoly or C49 High Carbon steel.
Accurately machined with the tightest of tolerancesto guarantee a perfect fit and perfect chain alignment. Fully heat treated to the correct hardness for maximum strength and durability.
Avaliable in other sizes please use drop down menu.