Cygolite  Hotshot SL 50 Rear Bike Light

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Engineered to stand out day and night, the Cygolite Hotshot SL 50 rear bike light delivers nearly twice the output of the original Hotshot with powerful 50 lumen flashes.


  • Exclusive 2-button design lets you fully adjust the tempo of each flash mode to maximize motorist awareness
  • 50-lumen flashes makes you stand out in broad daylight and at night
  • Built-in 24/7 Safety Technology gives you a powerful selection of 6 Day and Night modes (Steady, Zoom, SteadyPulse, Triple Flash, Single Flash, Random Flash)
  • Freely adjust the brightness of Steady mode and the flash tempo of the flashing modes with the simple 2-button interface
  • SteadyPulse mode features a steady beam to help motorists gauge their distance while overlapping pulses keep them alert at night
  • Zoom mode signals those around you with gentle changes in brightness
  • USB-rechargeable internal battery lasts up to an impressive 250 hours
  • Low-battery indicator alerts you when a charge is needed
  • Light mode memory saves the last mode you're in before the light is turned off
  • Compact, water-resistant design weighs only 35g
  • Seatpost mount included

Made in USA.

View all Cygolite Rear Bike Lights

Technical Specs

Item #110181
Best Use


Bulb Type


Number of Bulbs


Max Light Output (Lumens)


Taillight Mounting


Battery Mount




Charge Time

3 hours


Lithium ion

Integrated Battery


Battery Life on High

2.25 hours

Battery Life on Low

250 hours

Battery Life Flashing

80 hours


1.25 ounces

57 reviews with an average rating of 4.2 out of 5 stars

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