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dirtbkr188 · 10-23-2009, 04:34 PM

No, that is a sprocket designed to fit a 20mm output shaft and a 428 chain, a 420 chain will not work with it.
If you have a 20mm output shaft, and you think you need a 420 sprocket, click HERE

10-23-2009, 04:34 PM	#13 (permalink)
dirtbkr188 3rd Gear Member Join Date: May 2004 Location: New Jersey Posts: 3,188	Re: What size sprocket No, that is a sprocket designed to fit a 20mm output shaft and a 428 chain, a 420 chain will not work with it. If you have a 20mm output shaft, and you think you need a 420 sprocket, click HERE