Using a high output battery without effective pre-charge or in-rush limiting mechanisms can result in premature failure of components in ASI high-power controllers. Pre-charging the capacitors in high-power controllers is required! Failing to pre-charge such controllers can lead to reduced reliability and premature controller failure.

Limit the in-rush current to the controller during power connection below the in-rush current limits. All in-field controllers must have this retrofitted for controller reliability

With the system circuit breaker in the open position, the pre-charge resistor provides the necessary inrush current limit to prevent damage to your controller.

See ASI's Technical Bulletin Here. 

Please verify your bike model and year before purchasing. If you have questions about fitment, contact us at info@elektrischesracing.com or use the chat below — we’re riders, and we’ll help you get the right part.

Most kits are plug-and-play. Installation guides are included in the box and available on our YouTube channel. For complex installations, we recommend watching our installation videos before starting.

Will this fit my bike?
Check the product title and description for compatible models. Contact us if unsure.

How long does shipping take?
Most orders ship within 1-3 business days from Laguna Beach, CA. Free shipping on orders over $200 (Lower 48).

Do you offer financing?
Yes! Shop Pay Installments and Affirm are available at checkout.

What’s your return policy?
We accept returns within 14 days on unused items in original packaging.