Short Description
The CatEye ViZ300 II TL-LD811 is a powerful 300-lumen rechargeable rear bike light designed to deliver outstanding rear and side visibility during both daytime and night riding. Featuring six lighting modes, Daytime HyperFlash technology, USB-C charging and a replaceable battery, it provides dependable visibility for road, gravel, commuting and everyday cycling.

Key Features

• Powerful 300-Lumen Output: High-visibility Daytime HyperFlash mode helps attract attention even in bright daylight conditions
• Excellent Rear & Side Visibility: OptiCube™ lens technology and three red LEDs provide strong visibility from multiple angles
• Six Lighting Modes: Choose from High, Low, Flashing, Group Ride and two Daytime HyperFlash modes
• USB-C Rechargeable: Convenient rechargeable design with approximately 3-hour charging time
• Replaceable Battery: Internal Li-ion rechargeable battery can be replaced, helping extend the usable life of the light
• Battery Auto Save: Automatically switches to flashing mode when battery power becomes low
• Mode Memory: Remembers your previously selected lighting mode for convenient everyday use
• Aero Seatpost Compatible: Supplied SP-15 bracket fits conventional seatposts as well as many modern Kammtail aero seatposts
• IPX4 Water Resistant: Designed to withstand rain and wet riding conditions

Product Overview
The CatEye ViZ300 II TL-LD811 is a versatile high-performance rear light built to improve cyclist visibility in a wide range of riding conditions. Its three red LEDs combine with CatEye's OptiCube™ lens technology to provide excellent rear and side visibility, while the powerful 300-lumen Daytime HyperFlash mode helps riders stand out during daylight hours. Six lighting modes allow you to balance brightness and battery life depending on your ride, including a Group Ride mode designed for riding around other cyclists. The ViZ300 II also features USB-C charging, a low battery indicator, mode memory and Battery Auto Save technology. Its replaceable rechargeable battery helps extend the overall lifespan of the light, while the included SP-15 bracket provides compatibility with both traditional and many contemporary aero seatposts.

Specifications

• Brand: CatEye
• Model: ViZ300 II
• Product Code: TL-LD811
• Product Type: Rechargeable rear bike light
• Maximum Output: 300 lumens
• Light Source: 3 × Red LEDs
• Lens Technology: OptiCube™
• Battery: Rechargeable Li-ion, replaceable
• Charging: USB-C
• Recharge Time: Approx. 3 hours (0.5A)
• High Mode: 25 lumens – approx. 5 hours
• Low Mode: 10 lumens – approx. 15 hours
• Flashing Mode: 30 lumens – approx. 45 hours
• Group Ride Mode: 30 lumens – approx. 20 hours
• Daytime HyperFlash 1: 300 lumens – approx. 10 hours
• Daytime HyperFlash 2: 150 lumens – approx. 10 hours
• Dimensions: 23 × 75 × 36.5 mm
• Weight: Approx. 48 g
• Mount: CatEye SP-15 seatpost bracket
• Mount Size: Ø21.5–32 mm / up to 130 mm outer circumference
• Aero Seatpost Compatibility: Compatible with many contemporary Kammtail aero seatposts
• Water Resistance: IPX4
• Low Battery Indicator: Yes
• Battery Auto Save: Yes
• Mode Memory: Yes
• Mounting System: Snap System™
• Colour: Black / Red lens

Ideal For

• Road cyclists requiring strong daytime visibility
• Gravel and adventure riding
• Daily commuting and urban cycling
• Group rides and club cycling
• Riders using conventional or aero seatposts
• Anyone looking for a powerful rechargeable rear safety light

What’s Included

• 1 × CatEye ViZ300 II TL-LD811 rear light
• 1 × CatEye SP-15 seatpost bracket

Care & Notes
Ensure the light and mounting bracket are securely fitted before riding. The ViZ300 II is rated IPX4 for water resistance and is suitable for normal wet-weather cycling. Recharge the battery regularly for optimum performance. USB-C charging cable is not included.

Why Buy From LK Bikes
LK Bikes offers dependable cycling accessories from trusted brands, supported by expert advice, reliable service and strong aftersales support.