A close-up shot of a Radar Pro 300 rear light mounted on a dark frame, with the red LED light illuminated against a blurred outdoor background.

RADAR PRO 300

BEST-IN-CLASS RADAR TECHNOLOGY

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A person riding a red bicycle on a city street at dusk, viewed from behind. The rider has a bright red Radar Pro 300 tail light illuminated.

INTEGRATED BRAKE LIGHT FUNCTION

A close-up of a cyclist's hand holding a red illuminated Radar Pro 300 LED bicycle light.

QUICK-ACTION QUARTER-TURN MOUNT

A cyclist rides a road bike on a sunny road with hills in the background while the Radar Pro 300 taillight remains bright.

BEST-IN-CLASS BATTERY RUNTIME

Studio rendering of the Lezyne Radar Pro 300 rear bike light, showcasing its compact, rugged black composite casing and red optic lens.

RADAR PRO 300

$179.99
Skip to product information
Studio rendering of the Lezyne Radar Pro 300 rear bike light, showcasing its compact, rugged black composite casing and red optic lens.
  • Studio rendering of the Lezyne Radar Pro 300 rear bike light, showcasing its compact, rugged black composite casing and red optic lens.
  • A close-up shot of a Radar Pro300 LED bicycle tail light mounted on a black frame, with a blurred outdoor background.
  • Rear perspective of a road bicycle equipped with the Radar Pro 300 taillight, highlighting its bright illumination during daylight.
  • A cyclist in light gray Rapha bib shorts, white socks, and white shoes rides a black Cervelo time trial bike equipped with a sleek Lezyne Radar Pro 300 rear light on a paved road with scenic hills in the background.
  • Close-up of the Radar Pro 300 active in 300-lumen Day Flash mode on a bicycle seatpost, delivering outstanding daytime visibility.
  • Animated demonstration showing the quick and easy installation of the Lezyne Radar Pro 300 onto a seatpost mount using the quarter-turn system.
  • Lezyne Radar Pro 300 rear light mounted on a high-performance road bike, enhancing cyclist safety with advanced vehicle detection on open roads.
  • A close-up of a Radar Pro 300 bicycle tail light mounted on a red bicycle frame, with the LED light illuminated in a bright red glow against a softly blurred outdoor background.
  • A cyclist commuting through a busy city street, with the bright Lezyne Radar Pro 300 radar taillight providing high visibility among urban traffic.
  • Studio product photography of the Radar Pro 300 cycling radar mounted on a seatpost, viewed from a side angle to show its low-profile fit.
  • 3 different angles of the sleek Radar Pro 300 taillight illuminated, showcasing its modern shape and high-visibility LED output.
  • Promotional infographic of the Lezyne Radar Pro 300 bicycle radar light on a light gray background. Callout lines and text highlight key features: wide-range 150-meter vehicle detection, quarter-turn mount compatibility, IPX7 waterproof rating, 300-lumen day flash mode, and a 24-hour maximum runtime.
  • Technical display of the Lezyne Radar Pro 300 quarter-turn mount system on a light gray background, showing the rear radar light unit alongside its included D-shape and aero post adapter options.
  • Infographic showcasing the Lezyne Radar React Pro system, featuring the Radar Pro 300 rear light, a smartphone displaying the Radar Ally app interface, and the React Drive front light. Diagram text highlights next-gen radar technology, real-time audio and visual alerts, and powerful day and night visibility.
  • Product infographic of the Lezyne Radar Pro 300 bicycle radar light on a light gray background, highlighting three connection options: React Drive front light, the Radar Ally app on a smartphone, and an ANT+ head unit.
  • Front view rendering of the Lezyne Radar Pro 300 radar bike light, highlighting the highly engineered red lens designed for maximum visibility.
  • Side profile rendering of the Lezyne Radar Pro 300 taillight, showing the D-shape adapter on the back of the device.
  • Rear view of the Radar Pro 300 bike radar, displaying the clean quarter-turn mounting interface.
  • Detailed side view of the Lezyne Radar Pro 300 radar taillight, emphasizing its sleek, industrial-grade composite construction.
  • Studio rendering of the Lezyne Radar Pro 300 rear bike light, showcasing its compact, rugged black composite casing and red optic lens.
  • A close-up shot of a Radar Pro300 LED bicycle tail light mounted on a black frame, with a blurred outdoor background.
  • Rear perspective of a road bicycle equipped with the Radar Pro 300 taillight, highlighting its bright illumination during daylight.
  • A cyclist in light gray Rapha bib shorts, white socks, and white shoes rides a black Cervelo time trial bike equipped with a sleek Lezyne Radar Pro 300 rear light on a paved road with scenic hills in the background.
  • Close-up of the Radar Pro 300 active in 300-lumen Day Flash mode on a bicycle seatpost, delivering outstanding daytime visibility.
  • Animated demonstration showing the quick and easy installation of the Lezyne Radar Pro 300 onto a seatpost mount using the quarter-turn system.
  • Lezyne Radar Pro 300 rear light mounted on a high-performance road bike, enhancing cyclist safety with advanced vehicle detection on open roads.
  • A close-up of a Radar Pro 300 bicycle tail light mounted on a red bicycle frame, with the LED light illuminated in a bright red glow against a softly blurred outdoor background.
  • A cyclist commuting through a busy city street, with the bright Lezyne Radar Pro 300 radar taillight providing high visibility among urban traffic.
  • Studio product photography of the Radar Pro 300 cycling radar mounted on a seatpost, viewed from a side angle to show its low-profile fit.
  • 3 different angles of the sleek Radar Pro 300 taillight illuminated, showcasing its modern shape and high-visibility LED output.
  • Promotional infographic of the Lezyne Radar Pro 300 bicycle radar light on a light gray background. Callout lines and text highlight key features: wide-range 150-meter vehicle detection, quarter-turn mount compatibility, IPX7 waterproof rating, 300-lumen day flash mode, and a 24-hour maximum runtime.
  • Technical display of the Lezyne Radar Pro 300 quarter-turn mount system on a light gray background, showing the rear radar light unit alongside its included D-shape and aero post adapter options.
  • Infographic showcasing the Lezyne Radar React Pro system, featuring the Radar Pro 300 rear light, a smartphone displaying the Radar Ally app interface, and the React Drive front light. Diagram text highlights next-gen radar technology, real-time audio and visual alerts, and powerful day and night visibility.
  • Product infographic of the Lezyne Radar Pro 300 bicycle radar light on a light gray background, highlighting three connection options: React Drive front light, the Radar Ally app on a smartphone, and an ANT+ head unit.
  • Front view rendering of the Lezyne Radar Pro 300 radar bike light, highlighting the highly engineered red lens designed for maximum visibility.
  • Side profile rendering of the Lezyne Radar Pro 300 taillight, showing the D-shape adapter on the back of the device.
  • Rear view of the Radar Pro 300 bike radar, displaying the clean quarter-turn mounting interface.
  • Detailed side view of the Lezyne Radar Pro 300 radar taillight, emphasizing its sleek, industrial-grade composite construction.
RADAR PRO 300

RADAR PRO 300

NEXT GENERATION OF CYCLING SAFETY

$179.99
In stock
1-LED-45R-V104
  • Innovative taillight with advanced Radar technology
  • Built in automatic brake light function
  • Engineered lens and optics for maximum visibility
  • Seven output modes with 300-lumen day flash mode
  • Flash feature automatically activates when braking or vehicles are detected
  • Wide-range detection alerts of approaching vehicles from up to 150 meters away
  • Dual Bluetooth and ANT+ wireless system
  • Compatible with Lezyne Radar app, Ant+ head units, React Drive Front for real-time alerts
  • Radar app features visual and audio alerts and controls/customizes connected lights
  • Compatible with most quarter-turn mounts
  • Includes D-shape and aero post adapters
  • IPX7 waterproof design with USB-C charging port
  • Fresh design with rugged, compact construction
  • 2000 mAh battery capacity: Max 24hr runtime
  • Replaceable battery design (EU Batteries Regulation (2023/1542))

The Radar Pro 300 is the next evolution of our Radar React System. Already boasting industry-leading radar technology that we developed in-house, the upgraded taillight now features a built-in brake light function. When deceleration is detected, the light will automatically increase its lumen output, greatly improving safety on the road.

It delivers outstanding visibility and awareness, including a 300-lumen Day Flash mode and vehicle detection up to 150 meters away. The system is incredibly versatile, connecting seamlessly to compatible ANT+ cycling computers, our React Drive front light, and our Radar Ally smartphone app for real-time vehicle alerts. Also, its output modes are now customizable through the app.

The Radar Pro 300 has a fresh, highly refined shape, and now features a modern quarter-turn mounting system. This cleans up and simplifies the attachment interface, and we include adapters for D-shape and aero seatposts. Housed in a compact, industrial-grade composite casing, it’s super durable and IPX7 waterproof.

An upgraded high-capacity battery provides up to 24-hours of runtime, supported by fast USB-C charging.

This is the ultimate radar bike light: completely developed and built in-house by Lezyne. It looks great, has massive visibility and features unrivalled versatility. It’s the next evolution of cycling’s Sixth Sense.

 

Product Weight:

  • Light Only: 94g
  • Light, Mount and Oring: S: 108.2g / M: 108.8g / L: 109.6g
  • Light, Mount, D-Shape Adapter and Oring: S: 124g / M: 124.6g / L: 125.4g
  • Light, Mount, Aero Adapter and Oring: S: 116g / M: 116.6g / L: 117.4g

LIGHT MODES

LIGHT MODES
Expanded Chart

PAIRS GREAT WITH
Product Specs
Max Lumens
300 lm
Light Modes
7
Max Runtime
24 hours
Battery Capacity
2000 mAh
Recharge Type
USB-C
Compatibility
Lezyne Radar App, ANT+ Head Units, React Drive Front, Quarter-Turn Mounting Systems
Features
IPX7, Daytime Flash, Wide-range Detection, Bluetooth & ANT+ Wireless System
Weight
94 g
Dimensions
36.4 × 38 × 77.9 mm
Warranty

We stand behind the quality of every Lezyne product. Our warranties cover manufacturing defects for the original owner with proof of purchase:

  • GPS devices: 1 year
  • LED lights: 2 years; batteries: 6 months
  • Hard goods: 2 years
  • Soft goods: 1 year

Normal wear and tear, improper installation, accidents, misuse, neglect and modifications are not covered. Customers in the United States should contact Lezyne Support before returning an item. Customers outside the United States should contact the original retailer or local Lezyne dealer.
Shipping

We’ll get your order on its way as quickly as possible. Orders placed Monday–Friday before 2 PM ET (11 AM PT) typically ship the same business day; later orders ship the next business day. Once shipped, you’ll receive a confirmation email with tracking details. Delivery times vary by location. Please note that orders are not shipped or delivered on weekends or holidays.
Return policy

We want you to be happy with your purchase. Unused items in their original packaging can be returned within 30 days with proof of purchase. Sale items are final sale, and return shipping costs are the customer’s responsibility. Need help with a return or defective item? Contact us at usa-sales@lezyne.com

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