BikeSpark Auto-Sensing Rear Light G4 – AAA Battery – for Cargo Carrier – 50lm Superbright Bike Taillight with Large Reflector IPX4-50/80mm Quick Mount – Made in Taiwan

BikeSpark Auto-Sensing Rear Light G4 – AAA Battery – for Cargo Carrier – 50lm Superbright Bike Taillight with Large Reflector IPX4-50/80mm Quick Mount – Made in Taiwan


Price: $32.99 - $28.99
(as of Dec 06,2021 23:30:51 UTC – Details)



More than a rear light and more than a reflector. BikeSpark BKS-G4 Auto-sensing Rear Light for cargo carrier meets ISO 6742, StVZO K, and the reflector meets StVZO Z/ECE/E mark. It offers a perfect balance of self-illuminating source from LEDs and reflective light with the reflector. And yes, it equips with BikeSpark well-known motion-sensing technology that triggers brake warning light promptly and turns the light on&off automatically. In addition to the compliance and the marked sensing technology, BKS-G4 provides a unique lighting mode of Daytime Brake Warning among three lighting modes. It could directly work as a regular rear reflector while providing brake warning light in deceleration, reminding people in behind. With Daytime Brake Warning mode, BKS-G4 enhances the rider’s safety with optimal visibility in the most efficient way. 
Product Dimensions‏:‎1.73 x 1.19 x 4.25 inches; 4.52 Ounces
Batteries‏:‎2 AAA batteries required. (included)
Date First Available‏:‎January 19, 2020
Manufacturer‏:‎J-MEX Inc.
ASIN‏:‎B0841WCYQZ

Upgrade Your Reflector to BKS-G4 Now! – BikeSpark’s Auto-Sensing Rear Lights detect bike deceleration with an innovative deceleration sensing algorithm, Vsenx (US Patent No.: 10427594 B2). Once deceleration is detected, BikeSpark increases the brightness to ultra bright for 2.5 seconds, alerting and improving the reaction time of the person in any vehicle traveling behind.
Automatic ON/OFF – Press and Hold the Control Button until the Light is On and you are good to go. Never have to remember to turn off your rear light again! BikeSpark turns off automatically after 1 minute of inactivity, and turns on when motion is detected. The perfect balance of convenience, battery life and riding safety.
Great Brightness meeting Regulatory Compliance – Super bright SMD LEDs provide excellent visibility, up to 50 lm with low power consumption. Besides, two constantly-on lighting modes meet ISO 6742 1/3/5, and Germany StVZO Regulations help you riding safely in the darkest nights.
Highly Reflective Reflector Meeting Regulatory Compliance : BikeSpark BKS-G4 equips with the world-class vehicle reflector. The highly reflective reflector not only meets German and EU compliance but also provides up to 30% more than required reflective brightness.
Made in Taiwan / Quick Mounting / 3 Lighting Modes / Daytime Brake Warning / IPX4 Water Resistance / Low Battery Indicator / Upgrade Your Reflector to BKS-G4 Now!