A wire harness is meant to take the power needed for the ballast, via a relay, directly from the battery. Therefore the power does not run through the standard wiring of the motorcycle.
This benefits the starting time and in some cases prevents breakdowns.

This is a H4 wire harness that, because of its bi-xenon function, controls high beam as well. This wire harness is suitable for a motorcycle with a single headlight.

Do you have questions about this product? Contact us for more information!

  • 1 H4 wire harness motor single
  • 2 years warranty
  • Free personal customer service from RFL

Delivery info

Shipped from our warehouse in the Netherlands
delivery is generally within 2-10 days,
depending on your location.

14 days returns

Not the right fit? No worries!

2 year warranty

Quality comes first and our products are designed to last.



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