Cygolite Hotrod 90 Bike Taillight

Color: Black
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Engineered to keep you highly visible while road cycling, the Cygolite Hotrod 90 bike taillight unleashes a powerful 90 lumens of flashing light for day-and-night peace of mind.


  • Be seen all the time with 24/7 Safety Technology™, an exclusive set of solid and flashing modes to increase your night and day visibility when cycling
  • 6 lighting modes are ideal for use on long road rides and daily commutes: High Flash, High Steady, Group, SteadyPulse®, Zoom and Low Flash
  • SteadyPulse mode features a constant beam to help motorists gauge their distance, while overlapping pulses keep them aware of you at night
  • Zoom mode signals those around you with gentle changes in brightness
  • Cluster-mounted array of LEDs work in unison for extra wide and powerful output to herald your presence on demanding roads
  • Versatite™ flexible mount is compatible with most seatposts, including aero styles
  • Memory saves the mode you're in when you turn off the light
  • Low-profile, water-resistant design weighs only 35 grams
  • USB-rechargeable internal battery lasts up to 100 hrs.
  • Low battery indicator

Made in USA.

View all Cygolite Rear Bike Lights

Technical Specs

Best Use


Bulb Type


Number of Bulbs


Max Light Output (Lumens)

90 lumens

Taillight Mounting


Battery Mount




Charge Time

3 hours


1 lithium ion

Integrated Battery


Battery Life on High

1.5 hours

Battery Life on Low

100 hours

Battery Life Flashing

30 hours


4.8 ounces

56 reviews with an average rating of 4.0 out of 5 stars

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