Bontrager Ion 100 R Front Bike Light

The Ion 100 R is daytime-visible and designed for the city. A wide beam spread, focused optics and an interruptive flash pattern make it visible from over 900m during the day. A built-in ambient light sensor provides auto-brightness control and the included Quick Connect bracket offers simple removal for recharging via the included USB cable.

Product details

Focused optics provide be seen safety with a broad but powerful light
Integrated light sensor auto-adjusts brightness in flash mode
100 Lumens via high-power CREE LED
Ideal for handlebar or on bike mount
100LM-1.5hrs, 50LM-3hrs,5LM-16hrs, Night Flash-7hrs, Day Flash-5hrs
Includes quick connect bracket and micro USB charging cable
Blendr compatible, secure bar mount available

Daytime Running Lights

Be seen every ride with lights designed for 24/7 visibility. Bontrager Daytime Running Lights are designed with a specific flash, focus, and range to make them visible from up to 2km, during the day.

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"I've been pleasantly surprised by how effective the distinctive phasing is at nailing driver attention"

"Bontrager's Ion 100 R/Flare R City lights are miniscule, but thanks to CREE LEDs and clever optics they pack a serious punch"

"I can’t think of a better way to spend the next 80 bucks you have burning a hole in your pocket."

"Don’t be fooled by the tiny cubes; these compact units put out the power."

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Research shows the single most impactful measure you can take to stand out to motorists is to use front and rear Daytime Running Lights. The team uses them on every training ride, any time of day—and they’ve found that these lights truly make a difference.

Where and how you mount your lights can make a huge difference. Follow these steps to ensure you get the best visibility from your lights.

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Using lights and wearing hi-vis apparel on every ride can help you stand out to drivers.

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Research shows that riding with a flashing, daylight-visible rear light is the single most effective measure a cyclist can take to increase their likelihood of standing out to drivers.

Bontrager and Trek daytime running lights are compact and powerful and feature an interruptive flash pattern that's daytime visible from up to 2km away.

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When you use a flashing tail light during the day, studies show you’re up to 240% more noticeable than a rider using no lights at all.

Not all lights are created equal. A true DRL is designed with specific focus, flash, and range to be seen from a meaningful distance during the day. Without these three things, you just have a light.

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When battery power dips below 5%, light output is scaled back to substantially extend the remaining battery life.

Not all lights are created equal. Bontrager and Trek Daytime Running Lights are designed to be visible whenever you ride, day or night.

If for any reason you're not satisfied with a Bontrager or Trek aftermarket purchase, return the item, along with the original sales receipt to the original place of purchase within 30 days for an exchange or refund. Think of it as a 30-day test ride.

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Blendr compatibility makes clean installation on any bike a breeze.

Whether you're looking for instructions on how to reset your cycling computer, charging guidelines for your light, or anything in between, we're here to help. Click on the link to download the product manual.

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Battery	Li-Ion 250mAh 3.7 Volt
Milliampere-hour (mAh)	250mAh
Rechargeable	Micro-USB
Charge time	1.5 hours
Dimensions	28.7 L x 28.5 W x 28.5 H (mm)
Waterproof rating	IP46
Wireless compatibility	Not applicable
Blendr compatible	Yes
Weight	48g

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Weights are based off pre-production products at time of publication. Weights may vary in final production.