Best Rear Bike Light For Aero Seatpost in 2023 - Review & Buying Guide

✅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.

Powerful and durable LED bike taillight offering 270° of visibility.

Class-leading 300 lumen Daytime Flash mode.

Up to 53 hours of runtime.

Equipped with a micro-USB port for charging.

Its co-molded construction is compact and can be mounted to a variety of bicycles with both aero and round seat posts.

Powerful 50 Lumen with cluster mounted array of LED work in unison for an extra wide and powerful tail light output, maximizing your visual presence

6 lighting modes for day and night use with run times are High Steady: 1: 30 hr, Group (low steady): 100 hr, Zoom: 6 hr, Steady Pulse: 6 hr, Low Flash: 30 hr, Daylightning High Flash: 3: 30 hr

SteadyPulse shines a steady beam to help motorists gauge their distance while overlapping pulses keep them alert at night. Daylighting flash bursts lightning-like flashes to make you stand out on busy roads in broad daylight

Built to endure road cycling conditions with durable & water resistant body, and sturdy flexible seat post mount, All while keeping a Compact form and weighing only 29 grams. Designed for convenience with USB rechargeable design and low battery indicator

Designed, engineered, and assembled in the USA. Founded in 1991, Cygolite is the proven bicycle light experts with exclusive designs and innovations crafted into quality products that are on the leading edge of safety

🚩🚩🚩 Powerful bike tail light ---- No false claims here, our LED rear bike light B2, with 36 COB leds, has a real, lab-tested output of 110 lumens, to be a competent daytime bike light with wide 150-degree beam angle and 492 feets visibility for safe cycling.

🚩🚩 5 Stylish lighting modes ---- besides the common steady/flash modes in red, this waterproof bike light offers other 3 striking settings: steady in blue, flash in blue, strobe in red & blue, which calls a lot of attention and your visibility is absolutely garanteed!

🚩 USB rechargeable with decent battery life ---- 2 hours charging = 4 to 10h lasting. For a quick charge, just connect the cycling light with any USB devices such as power bank, car charger or ac outlet adapter. (please fully charge it before first using when you receive the light.)

🚩 Fits every bike ---- this rechargeable bike light installs in seconds without tools for all type of bikes, road bike, mountain bike mtb, hybrid and also can be used as helmet light, backpack light, wheelchair light, scooter light and caution light.

🚩100% Satisfaction guarantee ---- DON PEREGRINO takes your satisfaction seriously, every product from us is backed by 1 year quality warranty. You can contact us when you have any problem, we will respond in 24 hours. The package includes: 1 x tail light, 2 x mount, 1 x cable and 1 x user manual.

FAR BEYOND THE POWER & BEAM SPREAD OF OTHER TAIL LIGHTS – This powerful 80 lumen USB rechargeable chip-on-board (COB) LED with optically optimized design amplifies extraordinary side visibility and beam distance. Ultra slim low profile design easily conforms to your bike.

DAYTIME RUNNING LIGHT TECHNOLOGY - Get noticed day & night with 4 highly visible unique flashing modes optimized to be seen in high city traffic and open country roads, 2 steady output modes for high brightness anytime, and a group-friendly low output during group rides.

EXTRA TOUGH & DURABLE - This pro grade bike tail light is certified IP67 waterproof and FL-1 drop impact resistant. Ride through heavy rain storms, dust storms, endure accidental drops, and much more for years of use.

AMERICAN STANDARD - Developed by a team of American designers and engineers in order to give you stylish high quality and high output lights. Our 80 lumens stands out for your safety. Other taillights that don't indicate their lumens are usually only a few lumens, limiting your visibility and safety.

CHIP-ON-BOARD (COB) LED TECHNOLOGY - COB LED is a new technology which multiple LED chips are packaged together as one lighting module. Unlike ordinary LED tail lights, COB LED equipped tail lights give a much wider spread to be seen from the back and wider side angle.

SMALL COMPACT AND HIGHLY VISIBLE DESIGN sits directly behind seat post for a clean and sleek set-up. The seat post strap mount allows for light angle adjustments. Dual LED strips allow for nearly 360 degrees of visibility

CONVENIENT USB RECHARGEABLE rear bike taillight that is easy to charge, eliminating the need to replace batteries on a regular basis. Can be recharged from any powered up computer, device or AC wall adapter. USB charging cable included.

OPTIMAL VIZ for increased visibility while out on the roadways. Cars and motorcycles are incorporating daytime running lights for increased daylight visibility. And with drivers more distracted than ever, we think cyclists should as well

POWER MANAGEMENT with the Low Battery Indicator; While powered on, the power button/indicator will light up red indicating a low battery level at or below 20% power remaining.

6 VARYING LIGHT MODES Bullet 200 Run Times: Fast Flash - 16:00h, Steady w/ Fast Flash - 14:30h, Alternating Flash - 16:00h, Pulse Flash - 10:00h, Steady High - 11:45h, Steady Low - 29:15h

WHAT'S INCLUDED? Daylight Visible LED Taillight, Internal Li-Po Battery, Rubber Seat Post Strap Mounts (2) and USB Charging Cable

FITS STANDARD AND AERO seat post sizes and shapes vary. Designed to fit Standard to Aero seat posts using the interchangeable mount system.

SUPER BRIGHT LEDs taillight that utilizes a multi-LED array designed for eye catching visibility in both day and night.

IP64 RATED WATER AND DUST RESISTANT utilizing gasket sealing, tuned to withstand diverse riding conditions and environments.

LIMITED LIFETIME WARRANTY: Covers any defects in mechanical components (housings, covers, mounts and fasteners) and LEDs.

INNOVATIVE DESIGN Form follows function, providing 260 degrees of visibility with 260 Lumens of powerful light output

DAYLIGHT VISIBLE FLASH FOR INCREASED RIDER SAFETY with a long a 7. 5 hour run time of Alternating Flash Patterns for those extended rides. Riding with a bright tail light in the daylight is every bit as important as at night.

CHOICE OF MULTIPLE LIGHT MODES 2 steady light levels: LOW @ 30 hours run time and HIGH @ 4. 5 hours. Plus 4 Daylight Visible Flash modes FAST FLASH @ 7 hours, STEADY W/ FAST FLASH @ 6. 5 hours, ALTERNATING FLASH @ 7. 5 hours, PULSE FLASH @ 6 hours.

FAST AND EFFICIENT USB RECHARGE-ABILITY reaches a full charge in just 2. 5 hours. While plugged in, LED indicator will change from red to blue when it reaches a full charge.

LOW BATTERY INDICATOR upon powering off, indicator flashes blue notifying you that there is more than 20% battery level. And will light up red when below approx. 20% remaining.

LIMITED LIFETIME that covers any defects in mechanical components (housings, covers, mounts and fasteners) and LEDs.

FL1 STANDARD IP64 WATER AND DUST RESISTANT Nightrider taillights are engineered to withstand diverse riding conditions.

FAST / EASY TO INSTALL mounting, no tools required. Place seat post strap mount onto seat post, wrap durable strap around for a secure fitment.

INCLUDES 2 MOUNTING STRAPS, one for standard seat posts and one for aero seat posts

EASY ON INSTALLATION / EASY REMOVAL; allowing you to instantly remove the light from the bike. Ideal and very useful for when leaving/parking your bike.

Adjustable Angle Tail Light Strap Mount

Designed in USA

Genuine NiteRider accessory

Country of origin:- China

【Day mode/night mode】: The COB LED of the Cubelite II Smart Bike tail light will automatically switch between day mode/night mode based on the built-in light sensor to sense the ambient brightness, The light is high-intensity visible in the day mode, and the light is not glare in the night mode

【Dual working modes】: Cubelite II Smart Bike tail light can double-click to switch between manual mode/automatic mode. Automatic mode can automatically detect no movement, and automatically shutdown after 10S, manual mode requires the taillight to be turned off by yourself. Both modes have brake sensing technology, no brake cable connection required, adaptive technology can detect brakes normally even without horizontal installation

【Stronger performance】: Compared to the previous generation CubeLite, This generation Cubelite II LED Lumen Bicycle light has IPX5 waterproof, cnc aluminum shell, 32-bit ARM Cortex MD processor and 6-axis motion sensor, compared to the 1st generation performance increased by 33%, running time increased by 50%, brightness increased by 30%

【Flexible mounting】: The Cubelite II Smart Bike tail light comes with two types of brackets, the cushion model and the seat post model. The cushion model can be mounted on the round seat post, the wind breaker seat post and the square seat post, the seat cushion type can be firmly installed on the standard size seat cushion. The LED Lumen Bicycle light will not fall or be damaged due to changes in terrain.PLEASE DO NOT INSTALL TAILLIGHT ON HELMET

【USB rechargeable】:More faster,more brightness: 30+ hours run time(400 mAH). Comes with a USB cord that charges form your Computer, wall charger, power bank or any other device with a USB port.33% more faster processor than xlite 100 bike taillight,30% more brightness

Provides a connection point on most aero seatposts for a Vis 180 tail-light

Simple tool free design

Compatible with Light & Motion's Vis 180 Tail Lights

System Includes: Aero Post Mount