Main
Type	front light + rear light
Smart lighting


Front light parameters
LED	3
Output	1200 lm
Operating modes	6
Brightness modes	4
Max. operating time	65 h
Max. brightness operation time	2 h
Power source	rechargeable battery
Dimensions of the bike light	90x42x36 mm
Weight of the bike light	162 g

Rear light options
Luminous flux	300 lm
Operating modes	8
Operating time	20 h
Power source	non rechargeable battery
Flasher dimensions	78x49x48 mm
Flasher weight	144 g


General
USB charging port	USB C
Battery indicator
Material	plastic
Water resistance	IPX7
Mount	flexible
Quick release mount
Official Website	ride.lezyne.com
Added to E-Catalog	March 2026
P/N	4710582 555152

Lezyne React Drive Front + Lezyne Radar Drive Rear Set is an intelligent lighting system with synchronized front and rear lights, an integrated radar for tracking traffic behind, and notifications via an app and GPS bike computer.

The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.

How to Choose a Powerful Bike LightGood bike lights allow you to see well and be visible to other road users.

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	Lezyne Radar React Drive lights set The Lezyne Radar React Drive light set is an advanced bicycle lighting system that includes front and rear lights with integr... moreated radar technology to enhance safety and visibility on the road.This set combines the React Drive front light and the Radar Drive rear light, which synchronise wirelessly to provide visual and audible alerts of vehicles approaching from behind, without the need for external devices. The front light delivers up to 1200 lumens with a runtime of 70 hours, while the rear light offers up to 300 lumens and 20 hours of operation. Additionally, it features IPX7 water resistance and USB-C charging ports, ensuring durability and convenience for daily use. It is compatible with the Lezyne Radar Ally app and certain GPS bike computers for more comprehensive control and monitoring.The system is designed to provide full visibility during both day and night, with disruptive flashing patterns and advanced radar-based vehicle detection, contributing to safer riding. Deporvillage.co.uk Delivery: in United Kingdom Report	£166.55 Buy in shop

	Lezyne Radar React Light Set Lezyne Radar React Light Set: Ultimate Visibility & Vehicle Detection (1000lm Front / 250lm Rear)Elevate your cycling safety... moreand confidence with the revolutionary Lezyne Radar React Light Set. This comprehensive front and rear lighting system is engineered for the modern cyclist who demands maximum visibility and unparalleled situational awareness. Combining a powerful 1000-lumen headlight with an intelligent 250-lumen radar-equipped taillight, this set ensures you can see the path ahead and are always aware of traffic approaching from behind, day or night. It´s the ultimate safety upgrade for every ride, from busy urban commutes to epic gravel adventures.Experience a New Level of Cycling AwarenessThe heart of this system is the Lezyne Radar React vehicle detection technology. The rear light features an integrated radar that scans for approaching vehicles from a significant distance. When a vehicle is detected, the system provides real-time visual and audible alerts on compatible head units (such as Garmin and Wahoo) and through the Lezyne LED Ally phone app. This advanced warning gives you precious seconds to react, adjust your position on the road, and ride with greater peace of mind. The rear light can also react by changing its flash pattern upon vehicle detection, further drawing the driver´s attention to your presence.Powerful Illumination for Every ConditionDon´t let darkness cut your ride short. The front light in this set blasts out a commanding 1000 lumens in its highest setting, turning the darkest roads and trails into day. Its advanced optical lens design creates a smooth, wide beam pattern that illuminates not only what´s directly in front but also the periphery, helping you spot potential hazards. With multiple modes, including an attention-grabbing Daytime Flash mode, you´ll be highly visible to traffic at all hours.The 250-lumen rear light is exceptionally bright, featuring our specially designed Wide Angle Optics to provide over 270° of visibility. Its powerful Daytime Flash mode is visible from long distances, ensuring you stand out in bright sunlight.Built for the Demands of Any RideEngineered for versatility and durability, the Lezyne Radar React system is your trusted partner across all cycling disciplines. Whether you´re navigating technical singletrack, grinding out miles on the road, exploring remote gravel paths, or commuting through the city, this light set is built to perform. The robust construction ensures reliability in harsh conditions, while the versatile mounting systems provide a secure fit on a wide variety of handlebars and seatposts, including aero profiles.Technical Specifications and Features:* Product: Lezyne Radar React System Front+Rear* Luminosity Class: 601-1000 lm, Front and rear* Front Light Maximum Output: 1000 Lumens* Rear Light Maximum Output: 250 Lumens* Primary Technology: Advanced vehicle detection radar system provides alerts for vehicles approaching from the rear.* Connectivity: Bikeinn Delivery: in United Kingdom Report	£174.99 Buy in shop

	Lezyne Radar React System L-1-LED-43P-V117 The Lezyne Radar React System combines radar vehicle detection with advanced front and rear LED lights, giving cyclists unmat... moreched visibility and safety. It delivers alerts through the React Drive light, GPS devices, or the Radar Ally app, with no extra gear required. With 1200 lumens up front, 300 lumens at the rear, and real-time detection, it sets a new benchmark for bike lighting and awareness.Key Features and Benefits:Integrated radar detection: Built-in radar sensors track vehicles approaching from behind. This provides constant awareness of traffic. The outcome is a safer, more informed ride without relying only on mirrors or guesswork.React Drive front light alerts: LED indicators and Tweekscycles.com Delivery: in United Kingdom Report	£189.00 Buy in shop

	Lezyne Radar React System L-1-LED-43P-V117 This advanced system integrates radar technology into our industry-leading LED front and rear bike light set. Riders can now... morereceive audio and visual alerts through multiple devices:Lezyne Radar Ally smartphone appCompatible GPS bike computers, orDirectly via the React Drive front bike lightThe Radar Drive pairs with the React Drive to complete the Radar React System. Rear-facing LED indicators and audible alerts are custom-built into the React Drive, providing real-time notifications of rear-approaching vehicles—no smartphone or third-party device required.This all-in-one system delivers TOTAL VISIBILITY: radar-based vehicle detection, disruptive daytime flash patterns, and up to 1200 lumens up front for effective night riding.All of this is backed by our exceptional R&D, in-house manufacturing, and premium features like IPX7 waterproofing and USB-C charging.Welcome to the future of bicycle visibility: activate your Cycling Sixth Sense.Note: A smartphone is required for the initial pairing of the system.• Includes Radar Drive taillight and React Drive Front light • Custom programmed wireless system connects both lights and features advanced radar vehicle detection• Cross compatible with select Ant+ head units, the Radar React System takes visibility and safety to the next level• Features Lezyne premiere LED technology, optics and lenses• Manually control both lights through Radar App• React Drive Front features built in LED indicators that alert of approaching vehicles from behind when connected to Radar Drive • IPX7 Waterproof with USB-C charging portsVehicle detection radar system, front & rear led pair, react drive front 1200 lumens, radar drive 300 lumens, connects to radar app Tredz.co.uk Delivery: in United Kingdom Report	£199.99 Buy in shop

	LEZYNE Radar React System Front & Rear LED Bike Light Pair - 1200/300-Lumen IPX7 Waterproof Headlight & Taillight Combo - Tr Amazon.co.uk Delivery: in United Kingdom Report	£206.99 Buy in shop

Video reviews

RADAR REACT SYSTEM TUTORIAL | LEZYNE

23 September 202519 360 view

RADAR REACT SYSTEM - The New Benchmark in Cycling Radar Tech | Lezyne

23 September 202512 054 view

LEZYNE Radar React System // Overview and Field Crash Test

25 September 20253 331 view

Unboxing the Lezyne Radar React System – is it the Garmin Varia killer?

2 January2 089 view

Reviewing the Lezyne Radar Drive React System

19 February 20261 647 view

огляд на lezyne radar react system

21 October 2025505 view

LEZYNE Radar React System: Amazing Road Awareness

22 December 2025179 view

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Lezyne Radar React System (4710582 555152)

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Lezyne Radar React System L-1-LED-43P-V117

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