921B Alternator Aftermarket, reinforced | V-Max

921B Alternator Aftermarket, reinforced

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Reinforced alternator, increased (20%) power.
Stock alternator is not designed to charge the battery
when reving below 3000 rpm and additional consumers
(like double headlights, headted grips etc.) are present.
This is an exchange item –
just deliver your stock alternator and get a reinforced one back.