Lezyne Femto Drive Rear Light - Silver

The Lezyne Femto rear light is an ultra-compact safety light featuring a durable machined aluminiu...

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Leisure Lakes BikesLezyne Femto Drive LED Rear Bike Light Silver
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Product Information

Full details

The Lezyne Femto Drive Rear Light is designed for urban cyclists and commuters who prioritize lightweight, low-profile safety visibility. It excels as a backup or supplemental safety light due to its 180-degree visibility lens and durable aluminum housing; however, its 7-lumen output makes it unsuitable as a primary light for unlit rural roads or high-speed night riding.

All features

Model Part NumberL-1-LED-1R-V106-U
BrandLEZYNE

Extended Product Information

FAQs

Is the Lezyne Femto Drive waterproof?

It is water-resistant and designed to withstand standard rain and road spray, but it should not be submerged in water.

Can I use rechargeable batteries?

The light is designed specifically for CR2032 coin cell batteries. Rechargeable versions of this size exist but may have different voltage outputs that could affect performance.

How long do the batteries last?

Depending on the mode selected, you can expect a maximum runtime of up to 60 hours.

Does it include a mount for aero seat posts?

The included flexible silicone strap is designed to stretch around most standard seat post shapes, including many semi-aero designs.

How do I switch between the 5 modes?

The integrated lens acts as the button. Simply press the center of the lens to cycle through the different steady and flashing modes.

Troubleshooting

Light fails to turn on

Ensure the CR2032 batteries are installed with the positive side facing out and are not depleted.

Lens feels loose

Firmly tighten the lens cover by rotating it clockwise until it stops, ensuring the O-ring seal is seated properly.

Pros and Cons

Pros

  • Ultra-compact and lightweight at just 31 grams
  • Durable CNC-machined aluminum body
  • Excellent side visibility for increased safety
  • Tool-free installation with versatile mounting options
  • Reliable battery life in a small form factor

Cons

  • Limited 7-lumen output is not intended for primary navigation
  • Uses non-rechargeable CR2032 batteries
  • Button operation can be firm when wearing winter gloves

Setup, Compatibility & Care

Setting up the light is straightforward. To install, use the flexible silicone strap to secure the body to your seat post or handlebar. For the clip-on function, simply detach the light from the strap and slide it onto a bag loop or clothing tab.

Care Instructions

  • Battery Replacement: To replace the batteries, unscrew the lens cover by hand, remove the two CR2032 cells, and insert new ones with the positive side facing outward.
  • Cleaning: Use a soft, damp cloth to wipe away road grit. Avoid harsh chemicals that may degrade the lens clarity.
  • Storage: If not using for an extended period, remove the batteries to prevent internal corrosion.

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