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scoot newb · 11-22-2019, 05:45 PM

Why would you do that? 428 is even overkill and adds more spinning mass. 420 is fine.

I have a 190 with a grom hub and cush drive and went down to 420 from from 428 sprockets and chain. No problems. Others running the Daytona 212 kit with 4v head are still running the clones stock 428 stuff with a grom hub and it is fine.

11-22-2019, 05:45 PM	#2
scoot newb Join Date: Sep 2018 Posts: 403	Why would you do that? 428 is even overkill and adds more spinning mass. 420 is fine. I have a 190 with a grom hub and cush drive and went down to 420 from from 428 sprockets and chain. No problems. Others running the Daytona 212 kit with 4v head are still running the clones stock 428 stuff with a grom hub and it is fine. Last edited by scoot newb; 11-22-2019 at 05:49 PM. Reason: iT I
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