Best Rear Bike Light For Pannier Rack in 2023 - Buying Guides & Suggestions

✅THE LATEST VERSION: Our best-selling rechargeable rear bike light just got better! An upgrade over the Guard G3X, the powerful Guard G3X Pro100 bike back light is now brilliantly brighter, easier to mount, IPX5 waterproof, has improved battery life, and better daytime visibility.

✅EXTRA BRIGHT; EXTRA SAFETY: With a super-bright 100 LUMEN output, this bicycle rear light provides SUPERIOR DAYTIME VISIBILITY, has an extra-wide 180-degree beam angle for safe illumination at day and night, and 7 LIGHTING MODES to complement any time of day.

✅IMPRESSIVE BATTERY LIFE: Unlike other cycling rear lights that quickly die on you, we’ve fitted our bike taillight with a POWERFUL 950mAh BATTERY that LASTS 2-45 HOURS; 90% longer than most competitors. Just connect the USB RECHARGEABLE red LED bicycle tail light to any USB port for a quick charge.

✅FITS EVERY BIKE: Road bike or mountain bike, hybrid or commuting bike, this bicycle taillight INSTALLS IN SECONDS. Our all-new mounting system is easier to use than ever. Every kit comes with 4 silicone mounts and 4 different-sized mount rings for universal compatibility.

✅DESIGNED TO LAST: We’ve combined IMPACT-RESISTANT polycarbonate plastic with IPX5 WATERPROOFING to create a rechargeable bike tail light that holds up to all your adventures. Every light kit is backed by the Apace Vision 30-day no-questions-asked return policy and a year-long warranty. Get yours with complete peace of mind today.

Upgrade Your Reflector to BKS-G4R Now! - BikeSpark’s Auto-Sensing Rear Lights detect bike deceleration with an innovative deceleration sensing algorithm, Vsenx (US Patent No.: 10427594 B2). Once deceleration is detected, BikeSpark increases the brightness to ultrabright for 2.5 seconds, alerting and improving the reaction time of the person in any vehicle traveling behind.

Automatic ON/OFF - Press the Control Button to turn on the light and you are good to go. Never have to remember to turn off your rear light again! BikeSpark turns off automatically after 1 minute of inactivity, and turns on when motion is detected. The perfect balance of convenience, battery life and riding safety.

Great Brightness meeting Regulatory Compliance - Super bright LEDs provide excellent long distance and 220 degree visibility, up to 50 lm with low power consumption. Besides, two constantly-on lighting modes meet ISO 6742 1/3/5, and Germany StVZO Regulations help you riding safely in the darkest nights.

Highly Reflective Reflector Meeting Regulatory Compliance: BikeSpark BKS-G4R equips with the world-class vehicle reflector. The highly reflective reflector not only meets German and EU compliance but also provides up to 30% more than required reflective brightness.

Made in Taiwan / Quick Mounting / Snap to Release / 4 Lighting Modes / Li-polymer Rechargeable / IPX6 Water Resistance / Low Battery Indicator / Upgrade Your Reflector to BKS-G4R Now!

✔ADVANCED DESIGN. The Tail Light is built in 330 mAh rechargeable lithium battery. It comes with a CHARGING CABLE that charges from your computer, power bank or any device with a USB port.

✔FOUR LIGHT MODE OPTIONS: The Tail Light feature an one-touch switch with four different lighting modes depending on your preference. Include full brightness, half brightness, fast flashing and slow flashing.

✔EASY INSTALLATION: With a convenient one-touch dismount button, you just need to slide the light on & off the mount without removing the whole mounting bracket. The silicone mount strap for Taillight is designed with four openings that tightly fit around most size handlebars and seat posts.

✔GET RIDING SAFETY: The tail light emits an eye-catching wide-angle beam that can be seen from blocks away, need not worry about being knocked over by others.

✔BUY WITH CONFIDENCE: Ascher is committed to providing our customers with high quality products, we are dedicated to ensuring your fully satisfaction. Please contact us when you have any problem, we will solve the problem for you as soon as possible.

SUPER BRIGHT BIKE LIGHT AND 3 MODES ON EACH LIGHT: You can choose your favorite mode for your riding—Steady, Flashing, and Blinking. Visible to motorist over 1500 feet away.

EASY INSTALLATION/TOOL-LESS INSTALLATION: Simply mount the quick-release mounts on the handlebar and the seat post of your bike and attach the lights on them. The lights are removable from the mounts.

WEATHER RESISTANT: Rain or shine, summer or winter—any weather condition, any time—enjoy enhanced visibility and you will be safe at any time of the day.

COME IN PAIRS AND BATTERIES NEEDED: This light is sold as a pair. Each light needs 2 AAA batteries.

100% SATISFACTION GUARANTEE: This product is covered by BV USA warranty. We are so confident you will love this product that we offer 30 days Money Back Guarantee with 1 year free replacement warranty!

The bicycle tail light is made of heavy-duty materials and designed to make you & your bicycle extremely visible and alert vehicles behind you with a very noticeable red tail light

The red tail light for cycling can be used by all types of cyclists with strong and adjustable clip, at any terrain, and in dry & wet weather conditions, as well.

Tail light special features: 72 hours working time, IPX5 waterproof - tested, wide & long cover range - 300° visual angle & 650ft distance, 4 working modes (Daytime flash, Medium flash, Low steady & low flash), rechargeable via Micro-USB

It’s all about your safety - thanks to its special features, the red bicycle tail light will make your rides safer than ever before, it’s one of the most needed safety accessories for your bicycle.

The original LED rechargeable red tail light for bicycles is coming with a 1-year warranty

Seatpost-mounted: for light, top loads

Quick-release bag mounting system

Durable, lightweight aluminum 700g

Compatible with most bikes

Adjustable length

【Bicycle Reflective Taillight】The rear reflector tail light is fit for most bicycles, perfect combination of the reflector with night reflection function and tail light, makes your night riding safer.

【High-quality Materials】The rear bike light is made of high-quality aluminum alloy and plastic, durable and practical to use.

【Ride Safely】Safe steady mode, simple on/off switch. Can help you riding safely in the darkest nights and rainy day.

【Widely Used】The bike taillight is for bicycle rear racks with 80mm(3.15'')mounting holes. Fit for most bikes, road bike, mtb, hybrid, etc.

【Easy to Install】The spacing of the mounting screws is 80mm (3.15''). You can easily use the mounting screws to fix the bicycle reflective tail light on the rear luggage rack, which is stable and firm. It can be easily disassembled when not needed and will not damage the bicycle. The package includes: 1x reflective taillight (without battery and mounting bracket).

SAFETY FIRST: 5 LED rack mounted light features a built in reflector to further increase visibility to motorists and other cyclists

MULTIPLE MODES: 3 flashing modes and 1 steady mode provide multiple options to custom tailor output for time of day or weather conditions

UNIVERSAL FIT: Bolts on to most standard rear racks that may otherwise block seatpost mounted lights

Includes 2 AAA batteries so you can use it right out of the box

Upgrade Your Reflector to BKS-G4 Now! - BikeSpark’s Auto-Sensing Rear Lights detect bike deceleration with an innovative deceleration sensing algorithm, Vsenx (US Patent No.: 10427594 B2). Once deceleration is detected, BikeSpark increases the brightness to ultra bright for 2.5 seconds, alerting and improving the reaction time of the person in any vehicle traveling behind.

Automatic ON/OFF - Press and Hold the Control Button until the Light is On and you are good to go. Never have to remember to turn off your rear light again! BikeSpark turns off automatically after 1 minute of inactivity, and turns on when motion is detected. The perfect balance of convenience, battery life and riding safety.

Great Brightness meeting Regulatory Compliance - Super bright SMD LEDs provide excellent visibility, up to 50 lm with low power consumption. Besides, two constantly-on lighting modes meet ISO 6742 1/3/5, and Germany StVZO Regulations help you riding safely in the darkest nights.

Highly Reflective Reflector Meeting Regulatory Compliance : BikeSpark BKS-G4 equips with the world-class vehicle reflector. The highly reflective reflector not only meets German and EU compliance but also provides up to 30% more than required reflective brightness.

Made in Taiwan / Quick Mounting / 3 Lighting Modes / Daytime Brake Warning / IPX4 Water Resistance / Low Battery Indicator / Upgrade Your Reflector to BKS-G4 Now!

Upgrade Your Reflector to BKS-G4 Now! - BikeSpark’s Auto-Sensing Rear Lights detect bike deceleration with an innovative deceleration sensing algorithm, Vsenx (US Patent No.: 10427594 B2). Once deceleration is detected, BikeSpark increases the brightness to ultra bright for 2.5 seconds, alerting and improving the reaction time of the person in any vehicle traveling behind.

Automatic ON/OFF - Press and Hold the Control Button until the Light is On and you are good to go. Never have to remember to turn off your rear light again! BikeSpark turns off automatically after 1 minute of inactivity, and turns on when motion is detected. The perfect balance of convenience, battery life and riding safety.

Great Brightness meeting Regulatory Compliance - Super bright SMD LEDs provide excellent visibility, up to 50 lm with low power consumption. Besides, two constantly-on lighting modes meet ISO 6742 1/3/5, and Germany StVZO Regulations help you riding safely in the darkest nights.

Highly Reflective Reflector Meeting Regulatory Compliance : BikeSpark BKS-G4 equips with the world-class vehicle reflector. The highly reflective reflector not only meets German and EU compliance but also provides up to 30% more than required reflective brightness.

Made in Taiwan / Quick Mounting / 3 Lighting Modes / Daytime Brake Warning / IPX4 Water Resistance / Low Battery Indicator / Upgrade Your Reflector to BKS-G4 Now!