Giant Light Cast 800 HeadLight

The Giant Cast HL 800 Headlight is a reliable, high-performance cycling light designed for commuting, road cycling, and mountain biking. Delivering up to 800 lumens of bright, consistent output, it provides strong illumination for night rides and low-light conditions while remaining compact and easy to mount.

Built around a focused optical lens system, the Cast HL 800 produces a well-controlled beam with excellent road coverage and over 270° side visibility, helping you stay seen from multiple angles in traffic.

The light features five lighting modes, including three steady beams and two flash modes, allowing you to balance brightness and battery life depending on your ride.

Its CNC-machined aluminium housing improves durability and heat dissipation, while the IPX5 water resistance rating ensures dependable performance in rain and wet conditions.

Powered by a USB-rechargeable battery system, the Cast HL 800 is designed for everyday practicality with clear battery status indicators and tool-free handlebar mounting for quick installation.

Key Benefits

800 lumen output – Strong, reliable lighting for night riding and commuting
Five light modes – Three steady and two flash modes for flexible use
270° visibility optics – Enhances safety in traffic from all angles
Durable aluminium body – Heat-dissipating, impact-resistant construction
USB rechargeable system – Convenient everyday charging
IPX5 water resistance – Built to handle rain and wet conditions

Who Is This Best Suited For?

The Giant Cast HL 800 is ideal for commuters, road cyclists, and MTB riders who want a powerful, dependable front light with strong visibility and simple USB charging for regular use.

Product Specifications

Brand: Giant
Model: Cast HL 800 Headlight
Max Output: 800 lumens
Modes: 5 (3 steady, 2 flash)
Battery: Internal rechargeable lithium battery (USB charging)
Run Time: Up to ~1.5–6 hours (mode dependent)
Charging: Micro-USB
Housing: CNC aluminium alloy
Water Resistance: IPX5
Mounting: Tool-free rubber handlebar mount
Visibility: 270° side illumination