Replace or upgrade a compatible e-bike throttle with this pre-wired Surron-style twist throttle from Chrome Works. Two three-pin connector options are available for different e-bike wiring configurations.Connector options Three-pin male connector for compatible Macfox, Amyet and other models Three-pin female connector for compatible Super73 models Before orderingConnector gender, pin order and voltage can vary even between similar-looking bikes. Compare your existing connector with the product images and verify complete electrical compatibility before purchase.SafetyImproper wiring or installation can cause unintended acceleration, loss of control, serious injury or damage. Turn the bike off and disconnect the battery before installation. Professional installation is recommended.