Short Description
The CatEye Nano F II is a compact, lightweight USB-C rechargeable front bike light designed to improve cyclist visibility during daytime and low-light riding. With a powerful 100-lumen output, OptiCube lens technology and six lighting modes, it's an ideal companion for commuting, road cycling and everyday journeys.

Key Features

• 100-Lumen Output: Bright LED illumination helps improve visibility to other road users during daytime and low-light conditions
• OptiCube Lens Technology: Precision-engineered lens distributes light efficiently for enhanced visibility
• Six Lighting Modes: Includes High, Low, Flashing and three Daytime HyperFlash modes to suit different riding conditions
• USB-C Rechargeable: Convenient rechargeable battery eliminates the need for disposable batteries
• Extended Battery Life: Up to 65 hours of operation in Flashing mode for dependable everyday use
• Compact Lightweight Design: Weighing approximately 27g, the light fits neatly onto your handlebars without adding unnecessary bulk
• Mode Memory Function: Remembers your last-used lighting mode for quick and convenient operation
• Easy Installation: Rubber strap mounting system fits handlebars measuring 22–35mm in diameter
• IPX4 Water Resistance: Designed to withstand splashes and everyday wet-weather cycling conditions
• Low Battery Indicator: Provides a convenient reminder when the light needs recharging

Product Overview
The CatEye Nano F II USB-C Front Bike Light delivers excellent visibility in a remarkably compact package. Designed for cyclists who want a reliable, lightweight front visibility light, the Nano F II combines modern rechargeable technology with CatEye's proven optical design.

Featuring a bright 100-lumen LED and CatEye's OptiCube lens technology, the Nano F II helps riders stand out in traffic and changing light conditions. Its three dedicated Daytime HyperFlash modes are particularly useful for improving visibility during daylight hours, making it a practical choice for commuting, road cycling and recreational riding.

The integrated lithium-ion polymer battery can be conveniently recharged using USB-C, with a full recharge taking approximately three hours. Six selectable lighting modes allow riders to balance brightness and battery life, while the mode memory function automatically recalls the last-used setting.

Its lightweight construction and flexible rubber strap mounting system make installation straightforward on a wide range of bicycle handlebars. With IPX4 water resistance and a compact design, the CatEye Nano F II is a dependable everyday visibility light for cyclists navigating busy roads, country lanes and urban environments.

Specifications

• Brand: CatEye
• Model: Nano F II
• Product Type: Rechargeable Front Bike Light
• Maximum Output: 100 lumens
• Light Source: 1 LED
• Lens Technology: OptiCube
• Battery: Rechargeable lithium-ion polymer, 3.7V / 320mAh
• Charging Connection: USB-C
• Recharge Time: Approximately 3 hours
• Lighting Modes: 6
• High Mode Runtime: Approximately 1.25 hours
• Low Mode Runtime: Approximately 23 hours
• Flashing Mode Runtime: Approximately 65 hours
• Daytime HyperFlash 1 Runtime: Approximately 19 hours
• Daytime HyperFlash 2 Runtime: Approximately 11 hours
• Daytime HyperFlash 3 Runtime: Approximately 35 hours
• Dimensions: 30 × 32 × 30mm (excluding rubber strap)
• Weight: Approximately 27g
• Mounting: Rubber strap bracket
• Compatible Handlebar Diameter: 22–35mm
• Water Resistance: IPX4
• Additional Features: Mode memory, low battery indicator and Snap System mount compatibility
• Manufacturer Part Number: CA5447395
• Barcode: 4990173039401

Ideal For

• Daily commuting and urban cycling
• Road cyclists looking to improve daytime visibility
• Gravel and leisure riders wanting a compact front visibility light
• Riders seeking a lightweight USB-C rechargeable bicycle light
• Everyday cycling in changing weather and light conditions
• Use as a supplementary visibility light alongside a dedicated night-riding headlight

What's Included

• 1 × CatEye Nano F II USB-C Front Bike Light
• 1 × Rubber Strap Mounting Bracket

Care & Notes
Recharge the light regularly using a suitable USB-C charging cable and power source. Ensure the charging port is dry before connecting a cable. Clean the lens with a soft, damp cloth to maintain optimal visibility, and check the mounting strap periodically to ensure the light remains securely attached. Although rated IPX4 for water resistance, the light should not be submerged in water. Battery runtime varies depending on lighting mode, temperature and battery condition. The Nano F II is primarily designed for visibility to other road users and should be supplemented with a suitable high-output headlight when riding on unlit roads or trails at night. USB-C charging cable is not included.

Why Buy From LK Bikes
LK Bikes offers quality cycling accessories from trusted brands, backed by expert advice, professional bike servicing and reliable aftersales support. Whether you're commuting, cycling for fitness or exploring Donegal's roads and trails, our experienced team can help you find the right cycling equipment for your needs.