Lezyne Radar React System Bundle front and rear

Lezyne React Drive Front Light buckled up

Lezyne React Drive Front Light with strap

Lezyne Radar React System Bundle

Q: How far does the radar detect vehicles?

Up to ~150 m, depending on conditions.

Q: What are the runtimes?

Front up to 70 hours (mode-dependent); rear up to 20 hours.

Q: Is it weatherproof and how does it mount?

Both lights are IPX7. The strap mounts fit most handlebars and round, aero, and D-shaped seatposts.

$399.99

In stock

Product Highlights

Lezyne Radar React System pairs the React Drive Front (up to 1200 lm) with the Radar Drive Rear (up to 300 lm) for front light + rear radar alerts.

Vehicle detection: rear radar up to ~150 m with on-bar visual/audio alerts via the front light.
Runtimes: front up to 70 h; rear up to 20 h (mode-dependent).
USB-C charging, IPX7 sealing, precision optics, disruptive Daytime Flash.
Mounts: strap mounts fit most bars/seatposts (round, aero, D-shape).
Works with the Radar Ally app; front is ILPP+ compatible for extended runtime.

Frequently Asked Questions

What's in the Radar React System bundle?

React Drive Front (up to 1200 lm) and Radar Drive Rear (up to 300 lm) with strap mounts and documentation.

Do I need a phone or bike computer for alerts?

No for basics. The React Drive Front shows visual/audio alerts on-bar when paired to the Radar Drive Rear. The Radar Ally app adds phone visualization and control.

How far does the radar detect vehicles?

Up to ~150 m, depending on conditions.

What are the runtimes?

Front up to 70 h (mode-dependent); rear up to 20 h.

Is it weatherproof and how does it mount?

Both lights are IPX7. The strap mounts fit most handlebars and round/aero/D-shape seatposts.

Free Shipping $100+

Free shipping on all orders over $100 (before tax)
All orders are processed within 1 business day
Orders ship from our warehouse in Guelph, ON
Free shipping ranges from 2-6 business days depending on location within Canada
Expedited shipping options (which ranges from 1-3 business days) are available at checkout upon entering your shipping address
We ship with most major couriers, including Canada Post, UPS, Fedex, Purolator, Canpar, and ICS
Full shipping details can be found in our shipping policy

Returns & Exchanges

If your NOMAD purchase isn't quite right for you, you may return it for a refund within 30 days from delivery
Return items must be unused and accompanied by all original packaging, with both product and packaging in an undamaged state and all product tags intact
Refunds will be issued to your original form of payment within 2-5 business days of receipt of items at our distribution centre
We cannot accept returns or exchanges of the following items:
- Nutrition products
- Gift cards
- Water bottles
- Personal care items, such as body creams and lotions
- Items marked as clearance or final sale
Return shipping fees are the responsibility of the customer
Full return details can be found in our return policy

Overview

The Lezyne Radar React System is a front/rear light set that adds rear-radar vehicle detection to a powerful 1200-lumen front light. The Lezyne Radar Drive Rear detects approaching vehicles and the React Drive Front displays visual and audio alerts on your handlebar. Both lights are USB-C rechargeable and IPX7 rated.

What's included

React Drive Front LED light (up to 1200 lm; up to 70 h runtime)
Radar Drive Rear LED taillight with rear radar (up to 300 lm; up to 20 h runtime)
Handlebar and seatpost strap mounts (fit round, aero, and D-shape posts)
Documentation (USB-C cable may vary by retailer listing)

Radar detection & alerts

Rear radar up to ~150 m monitors approaching traffic.
On-bar visual + audio alerts via the React Drive Frontno phone required for basic alerts.
Radar Ally app adds phone-based visualization, control, and firmware updates.

Front light: output & construction

Up to 1200 lumens with precision optics and Disruptive Daytime Flash.
Runtime: up to 70 h (mode-dependent).
CNC-machined aluminum body; IPX7; USB-C charging.
Infinite Light Power Pack+ compatible for extended runtime.
Size/weight: 89.8 × 42 × 35.5 mm; ~156 g.

Rear light: output & mounting

Up to 300 lumens with seven modes including Daytime Flash.
Runtime: up to 20 h (mode-dependent); USB-C charging.
Co-molded, IPX7 housing; strap mount fits round, aero, and D-posts.
Size/weight: 78 × 48.9 × 47.6 mm; ~122 g.

Compatibility & control

Use the Radar Ally app to view vehicles, customize alerts, and update firmware.
System can connect to compatible GPS bike computers for additional display options.

Key specifications

Max lumens: Front 1200; Rear 300
Max runtime: Front up to 70 h; Rear up to 20 h
Water rating: IPX7
Charging: USB-C (both)
Radar range: up to ~150 m

Free Shipping Canada-Wide $100+