3 best rear light with bike mounts

Rear lights with bike mounts are essential accessories for cyclists, providing visibility and safety, especially during low-light conditions. Here's an overview of key aspects related to rear lights with bike mounts:

  1. Purpose: Rear lights for bikes serve the crucial function of making cyclists visible to other road users, especially from behind. They enhance safety by reducing the risk of collisions, particularly in low-light situations or when riding at night.

  2. Mounting Mechanism: Bike-mounted rear lights come with specific mounts designed to attach securely to various parts of a bicycle.Common mounting positions include the seat post, rear stay, or even the saddle bag. The mounting mechanism is designed for stability and to withstand vibrations during rides.

  3. Lighting Technology: Rear lights use various lighting technologies, including traditional bulbs, LEDs (Light Emitting Diodes), or advanced lighting systems. LED lights are popular for their energy efficiency, brightness, and durability. Some rear lights may offer multiple lighting modes, such as steady, flashing, or pulsating, to enhance visibility.

  4. Visibility Range: The effectiveness of a rear light is often measured by its visibility range, indicating how far the light can be seen by others on the road. High-quality rear lights are designed to have a significant visibility range, increasing the chances of being noticed by drivers and other cyclists.

  5. Power Source: Rear lights can be powered by various sources, including disposable batteries, rechargeable batteries, or integrated rechargeable battery packs. Rechargeable options are environmentally friendly and cost-effective in the long run.

  6. Water Resistance: Given that cyclists often ride in various weather conditions, good-quality bike lights are designed to be water-resistant or waterproof. This ensures that the lights remain functional even in rainy or wet conditions.

  7. Compact and Lightweight Design: Bike-mounted rear lights are designed to be compact and lightweight, minimizing the impact on the bike's overall weight and aerodynamics. This makes them easy to install, remove, and transport.

  8. Regulations and Compliance: In many places, there are regulations regarding bicycle lighting, especially when riding at night. It's important to ensure that the rear light complies with local regulations to avoid legal issues and, more importantly, to enhance safety.

  9. Additional Features: Some rear lights come with additional features such as built-in reflectors, light sensors (automatically adjusting brightness based on ambient light), and USB charging ports for convenient recharging.

In summary, rear lights with bike mounts are critical components for cyclist safety, providing visibility during low-light conditions. When choosing a rear light, factors such as mounting mechanism, lighting technology, visibility range, power source, and compliance with regulations should be considered to ensure an effective and safe cycling experience.

Below you can find our editor's choice of the best rear light with bike mounts on the market
  

BikeSpark Auto-Sensing Rear Light G4 for Cargo Carrier - 50lm Superbright LED Bike Tail Light with Large-Area Reflector - AAA Battery – IPX4-50/80mm Quick Mount - Made in Taiwan

J-MEX Inc.

Based on 135 reviews Check latest price

Product description

More than a rear light and more than a reflector. BikeSpark BKS-G4 Auto-sensing Rear Light for cargo carrier meets ISO 6742, StVZO K, and the reflector meets StVZO Z/ECE/E mark. It offers a perfect balance of self-illuminating source from LEDs and reflective light with the reflector. And yes, it equips with BikeSpark well-known motion-sensing technology that triggers brake warning light promptly and turns the light on and off automatically. In addition to the compliance and the marked sensing technology, BKS-G4 provides a unique lighting mode of Daytime Brake Warning among three lighting options. It could directly work as a regular rear reflector while providing brake warning light in deceleration, reminding people in behind. With Daytime Brake Warning mode, BKS-G4 enhances the rider's safety with optimal visibility in the most efficient way. 

Features

- Motion Sensor Warning Brake Light

- Automatic ON/OFF 

- 3 Lighting Modes and Runtime

  • Daytime Brake Warning: Up to three months
  • Lighting& Brake Warning: More than 39HRs
  • Extended Lighting& Brake Warning: 30HRs 

Motion Sensing Deceleration Flash - BikeSpark’s Auto-Sensing Rear Lights detect bike deceleration with an innovative deceleration sensing algorithm, Vsenx. 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. 

Buy with No Risk - BikeSpark offers the highest quality lights that are required to pass our rigorous standard. We back all products with a 30 DAY No Question Asked Money-Back Guarantee — GET A FULL REFUND IF YOU ARE NOT 100% SATISFIED. BikeSpark also protects our customers with One Year Limited Product Warranty. Made in Taiwan

  • 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.
  • Auto 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!

User questions & answers

Question: Good morning I put new batteries in my unit and it doesn't work what do you think the problem is
Answer: Please make sure that you are using Duracell or Energizer alkaline batteries. High quality batteries ensure that they provide steady voltage output, so the light will be powered up at sufficient voltage. If the light remains not working, please feel free to contact us.
Question: does it come with a mounting bracket? if so Pictures
Answer: The light has no mounting bracket. If you have access to a band saw, drill press and bench grinder you can easily make one. But otherwise I'd pass on this light.
Question: Would be exactly what i was looking for if it had a built in battery and usb charging. :-/ light + reflector + rack mount
Answer: We encourage you try this BKS-G4 out with your own AAA type recharageable battery and stay tuned with us.
Question: can the attach bolts be replaced with longer ones to fit my Tubus rack
Answer: There is no type of mounting bracket or bolts included with the light. It's just a light.

Onvian Bike Tail Light, Colorful USB Rechargeable IPX5 Waterproof Ultra Bright Bicycle Rear Lights Easy Mount Cycling Safety Warning Taillight High Lumen Bicycle Rear Light

Onvian

Based on 63 reviews Check latest price
  • 【Colorful Cycle Bike Tail Light】The rear bike light has 5 modes - Fast Red Flash, Red & Blue Flash, Colorful Breathing Cycle Flash, 2 lights Bright Red Flash, Red Always On. In the 7 color cycle mode, the color changes in a cycle of 7 colors. It is more visible in any environment.
  • 【IPX5 Waterproof Function】highly airtight structure, sturdy and waterproof. These taillights are waterproof and durable in any weather. Rain and snow are clearly visible to remind subsequent vehicles
  • 【Rechargeble Bicycle Taillight】Save time on battery replacement every week. Never waste money again. It comes with a charging cable that can be charged from a computer, power bank or any device with a USB port.
  • 【Super Bright & 50 Hours Runtime】Ultra bright bicycle rear light is highly visible from a distance, really catch attention to enhance your safety. The bike rear light run time can be up to 50 hours after full charge,
  • 【Easy To Install】Saddle bracket & seat post bracket offered fit on any road bikes. It is easy to remove the bicycle light without tools to recharge by using hand screw, more convenient to use.

User questions & answers

Question: Can this bike tail light be charged on any device that with USB port
Answer: Sure, it could be charged on 5V adapter, computer USB port, mobile USB charging treasure and so on.
Question: How many Lumens
Answer: Not sure as to how many lumens, but mine never worked, so I returned it. Waste of money!
Question: Does the bike tail light little indicator light tell you when the power is not enough
Answer: Yeah,there are 4 blue indicator lights on the device. Each blue light show 25% capacity. You could check it whether your device needs to be charged or not.
Question: can it attach to a saddle bag
Answer: There are 2 ways to mounting. Saddle Bracket Mounting and Seatpost Bracket Mounting. it could not be attach to a saddle bag.

Product features

ONVIAN Rear Bike Light

FEATURES:

  • Product Size: 34MM*34MM*30MM
  • Product Material: Alumium alloy + plastic
  • Weight: 30g (Including saddle)
  • Buit-in Battery: 3.7V 250mAh polymer battery
  • Available Time: 8-50H
  • USB Charing Cable: 30CM 2A
  • Charging Method: 5V adapter computer USB mobile USB charging treasure.

CNC FULL ALUMINIUM ALLOY

  • Well-designed and compact designs make the led tail light looks extremely cool and refined; Al Alloy material and solidly built make the flash light well quality and durable

HIGH-INTENSITY COB LED

  • Brightest high lumens led, 150 meters warning distance and 200 degree visibility make you visible for other road users

POWER INDICATOR

  • The bicycle light with 4 blue indicator lights, each blue light show 25% capacity.No longer worry about forget recharging

TIPS: Please full in charging before the first usage.

Installation Method - 1

Saddle Bracket Mounting

Installation Method - 2

Seatpost Bracket Mounting

Package Included

  • 1X USB charging cable
  • 1X Saddle bracket
  • 1X Seatpost bracket
  • 2X Bandage
  • 4X Locking belt

NiteRider Unisex's Taillight Rack Mount, Black, One Size

NiteRider

Based on 141 reviews Check latest price

Product description

The NiteRider tail light rack mount gives you the option to mount your tail light directly onto your rack ready/equipped bike via our rack mount accessory.

  • Tail Light Rack Mount
  • Mounting hardware
  • Genuine NiteRider accessory

User questions & answers

Question: Does it come with the screws and bolts
Answer: Yes, mine came with 2 mounting screws, nuts and washers.
Question: what is the distance between the bolt holes
Answer: 2" horizontal, 3/4" vertical
Question: The product in the photo is a fdm 3d print...is the production model 3d printed? if so, seems to work - what material is it made from
Answer: The current photo shows ejector pin marks on the mount. These are characteristic of a plastic molded part. It's where pins push the molded part out of the steel mold. It is not 3D printed.
Question: Thanks everybody, but some say it's 50mm, some say it's 2 inches (near 80mm) --- Which one is it, really
Answer: 50mm is 1.9685 inches (about as close to 2in as you eye can see). Better get a better metric converter!!

Latest Reviews

View all