Heavy Hitter 520 Primary Chain Drive Conversion OEM Motor Only e moto parts but every so often

but every so often

High Quality Aluminum Machined

Deep Groove ball bearings

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Replaces the original chain adjuster and adds a sturdy footrest for standing support

Heavy Hitter 520 Primary Chain Drive Conversion OEM Motor Only e moto parts but every so oftenImportant Notice: When installing, make sure your chain tension is not tight! Any chain drive that you install should have loose chain tension! For OEM Motor ONLY! Most aftermarket motors have a +4mm offset change. We are in process of an update to work with aftermarket motors. Big Performance for big power builds and long term reliability. The heavy hitter Ultra Bee primary chain conversion is designed with perfection in mind. Most primary chain