VIVI Electric Bike Ride Show

BikeSpark Auto-Sensing Rear Light BKS-G5, Precise Brake Sensing for Bike Cargo Rack, AirTag Mount, Type-C Rechargeable, Large Reflector, 50/80mm Bolt Spacing Mounting, Made in Taiwan

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Amazon Price: $32.99 (as of April 4, 2024 6:38 pm – Details). Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on the Amazon site at the time of purchase will apply to the purchase of this product.
  • Brand: BikeSpark
  • Manufacturer: J-MEX Inc.


  • 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 the Control Button to turn on the light 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 LEDs provide excellent long distance and 220 degree visibility. Four lighting modes accommodate various cycling conditions. Besides, two constantly-on lighting modes that comply with Germany StVZO Regulations help you riding safely in the darkest nights.
  • Highly Reflective Reflector Meeting Regulatory Compliance – BikeSpark BKS-G5 equips with the world-class vehicle reflector. The highly reflective reflector is compliant with German StVZO standard.
  • Type-C rechargeable – The light comes with a built-in 550mAh li-polymer battery and is rechargeable with the type-C port. Quickly and conveniently get the light fully recharged before cycling.
  • AirTag Mounting Compatible – Turn the bike light to a tracking device without extra cost. The compartment at the back of the light unit allows you to mount AirTag on the light. No tools required and simply press to click the AirTag in place. Easy and convenient to track or locate the bike or the light unit. AirTag is not included.