Introducing the Forty Customs Half Speed ​​Launch Button Front Super73 e-bikes, designed to accelerate your ride from a standstill to speeds of 25-27 km/h (15-17 mph). Say goodbye to slow starts and experience the instant power. perfect for those quick sprints when the light turns green. Compatible with various Super73 e-bikes, integrates seamlessly with the SuperDuper app and offers additional features. Unleash your full potential today Super73.

The alternative SuperDuper app lets you put your bike into US Regional mode, utilizing the power of the start button in multiple riding modes and unlocking a host of additional features. Keep in mind that Super73 in the European region has removed the modes and throttle function from their app. In such cases, the SuperDuper app is indispensable for activating the home button.

Available now on iOS via Testflight or Android via the Play Store. Look at SuperDuper for more details.

Don't let a slow start hinder your journey any longer: unlock your true potential Super73 with the Forty Customs Launch Button.

Please ensure that local laws and regulations are complied with before using this product on public roads. Please note that this button completely replaces the gas function and cannot be installed at the same time.

Please note the official warranty disclaimer Super73, as mentioned on Super73.com, before you buy:

“Any modifications to the ebike's electrical system, including aftermarket batteries, motors, throttles, controllers and headlights, will void the warranty. These adjustments can affect the performance and behavior of the bicycle.”