The Lezyne Saddle Ai Alert 250 Rear Light is a cutting-edge saddle-mounted taillight that combines Artificial Intelligence with advanced ALERT technology for unparalleled cycling safety. Designed to detect deceleration, it automatically shifts into Active Alert mode, flashing a powerful 250-lumen brake light to signal slowing or stopping—enhancing visibility and communication with traffic and fellow riders.

Key Features:

• Ai Alert Brake-Sensing Technology:
  • Detects braking and automatically changes output to an attention-grabbing 250-lumen Active Alert mode.
  • Improves safety by effectively communicating your movements to surrounding traffic.
• Highly Visible Saddle-Mounted Rear Light:
  • 10 super-bright LEDs with an optimized beam pattern for maximum visibility.
  • 270° wide-angle optics ensure high visibility from multiple directions.
• Multiple Lighting Modes for Versatility:
  • 7 combined solid and flash modes, including a highly disruptive Day Flash mode.
  • Max 60-hour runtime in Femto mode for extended use.
• Durable & Weatherproof Construction:
  • Fully CNC-machined aluminium body for strength and longevity.
  • IPX7 waterproof rating for all-weather reliability.
• Convenient USB-C Charging:
  • Easily detachable design—simply unscrew from the saddle mount for quick charging.
  • 1100mAh battery capacity for extended performance.

Technical Specifications:

• Max Lumens: 250
• Max Runtime: 60 hours
• Battery Capacity: 1100mAh
• Recharge Type: USB-C (cable not included)
• Weight: 73g
• Dimensions: 62.3mm x 57.6mm x 32mm (with mount)
• Features: IPX7 waterproof rating, Daytime Flash mode, Ai Alert brake-sensing technology

The Lezyne Saddle Ai Alert 250 Rear Light is a next-generation safety light, offering intelligent braking detection, superior visibility, and rugged durability—perfect for cyclists who demand maximum awareness and safety on the road.