Product Details - Trek Ion 100 R/flare R City Light Set 2026
Be-seen safety for the city
One light set for a complete Daytime Running Lights solution. The Ion 100 R and Flare R City feature focused optics and an interruptive flash pattern to help ensure visibility from up to 900 m during the day. Integrated side lights help add visibility on this compact and powerful rear Daytime Running Light set.
LED fuel gauges makes it easy to see battery status for the up to 20-hour run time. Blendr-compatibility and the included quick-connect bracket offers simple removal for recharging via the included USB-C cable.
Features
Specifically designed focus, flash and range flash patterns for powerful daytime visibility for up to 900 m away
Includes Ion 100 R, Flare R City, two quick-connect brackets and a USB-C cable
Increased battery capacity offers up to 28% more run time than the previous generations
Visible fuel gauge LEDs make it easy to see battery status
Integrated side lights increase visibility from more angles, perfect for city and urban use
Blendr-compatible for mounting to handlebar, stem, or helmets with optional accessories
Ion 100R – 100 lm high beam 2 hrs, 5 lm low beam 20 hrs, 100 lm flash 9 hrs, charge time 2 hrs
20 lm high beam – 4 hrs, 2 lm low beam – 24 hrs, 35 lm day flash – 10 hrs, charge time 1.5 hrs
Specification
Battery
350Li-Ion
Milliampere-hour (mAh)
350mAh
Rechargeable
Yes
Charge time
2 hours
Dimensions
36.5 L x 29.7 W x 36 H (mm)
Waterproof Rating
IP46
Wireless compatibility
Not applicable
Blendr compatible
Yes
Weight
80g
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.
Weights are based off pre-production products at time of publication. Weights may vary in final production.
One light set for a complete Daytime Running Lights solution. The Ion 100 R and Flare R City feature focused optics and an interruptive flash pattern to help ensure visibility from up to 900 m during the day. Integrated side lights help add visibility on this compact and powerful rear Daytime Running Light set.
LED fuel gauges makes it easy to see battery status for the up to 20-hour run time. Blendr-compatibility and the included quick-connect bracket offers simple removal for recharging via the included USB-C cable.
Features
Specifically designed focus, flash and range flash patterns for powerful daytime visibility for up to 900 m away
Includes Ion 100 R, Flare R City, two quick-connect brackets and a USB-C cable
Increased battery capacity offers up to 28% more run time than the previous generations
Visible fuel gauge LEDs make it easy to see battery status
Integrated side lights increase visibility from more angles, perfect for city and urban use
Blendr-compatible for mounting to handlebar, stem, or helmets with optional accessories
Ion 100R – 100 lm high beam 2 hrs, 5 lm low beam 20 hrs, 100 lm flash 9 hrs, charge time 2 hrs
20 lm high beam – 4 hrs, 2 lm low beam – 24 hrs, 35 lm day flash – 10 hrs, charge time 1.5 hrs
Specification
Battery
350Li-Ion
Milliampere-hour (mAh)
350mAh
Rechargeable
Yes
Charge time
2 hours
Dimensions
36.5 L x 29.7 W x 36 H (mm)
Waterproof Rating
IP46
Wireless compatibility
Not applicable
Blendr compatible
Yes
Weight
80g
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.
Weights are based off pre-production products at time of publication. Weights may vary in final production.
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