Smart Bike Tail Light, Brake Sensing, Auto On/Off, Super Bright 22 LEDs Rear Bike Light, 5 Lighting Modes, USB C Rechargeable Bicycle Taillight, IP65 Waterproof, Saddle and Seatpost Mount
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Extended holiday returns
FREE refund/replacement until Jan 31, 2026 Learn more
FREE refund/replacement until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2026
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
In Stock.
Arrives
Thursday, Dec 25
Features
- 22 High-Lumen LEDs & 5 Dynamic ModesTellegante newest bike rear light built-in 22 High Lumen COB LEDs arranged in a ring, which can emit a striking red warning light that can be seen hundreds of meters away, greatly improving the safety of cycling. With 5 unique dynamic lighting modes: (1) Normal Flash, (2) Fast Flash, (3) Strobe, (4) Breathing, (5) Steady On, which can meet our different needs and experience different cycling feelings.
- Smart Brake Sensing + Auto On/OffThis smart bicycle taillight has a brake sensing function, when deceleration or emergency braking is detected, the brightness will be greatly increased and remain on to alert the rear to improve safety, and return to normal mode again after 3 seconds. The 30-second vibration sensing function allows it to automatically turn off when we are not riding and automatically turn on when vibration is detected.
- 500mAh Battery USB RechargeableThe bicycle rear light has a built-in 500mAh ultra-large capacity battery with a battery life of up to 15 hours, allowing us to ride for two long nights, whether it is a short or a long night ride, it can be easily handled. With the USB C charging port, can be charged with any USB port device such as: phone adapter, power bank, computer etc.
- IP65 Waterproof & Aluminum AlloyDifferent from the plastic shell on the market, our bike taillight shell is made of aluminum alloy, which is very hard, durable and reliable. It also adopts IP65 high-level waterproof design, allowing us to easily cope with any bad weather. Whether it is mountain cycling, road cycling or professional cycling, this bicycle rear light is the perfect choice.
- Saddle and Seatpost MountThe bike brake light has 2 mounting options (2 mounting kits are included), one for mounting on the seatpost and the other for mounting under the saddle. Whether you are a professional cycling enthusiast or an amateur cycling enthusiast, these 2 mounting methods can match almost all bicycles on the market and are the best companions for cycling.
Color: Black
Brand: Tellegante
Material: Aluminum
Power Source: Battery Powered
Water Resistance Level: Waterproof
Mounting Type: Seat Mount or Seatpost Mount
Number of settings: 1
Brightness: 500 lumen
Auto Part Position: Rear
Number of Pieces: 1
Color: Black
Brand: Tellegante
Material: Aluminum
Power Source: Battery Powered
Water Resistance Level: Waterproof
Mounting Type: Seat Mount or Seatpost Mount
Number of settings: 1
Brightness: 500 lumen
Auto Part Position: Rear
Number of Pieces: 1
Manufacturer: Tellegante
Light Output Maximum: 500 Lumens
Item Package Dimensions L x W x H: 4.61 x 3.19 x 1.54 inches
Package Weight: 0.08 Kilograms
Brand Name: Tellegante
Warranty Description: 1 Year Warranty
Model Name: TEL BLR100B
Number of Items: 1
Part Number: TEL BLR100B
Included Components: Taillight, Seat Mount Bracket, Seatpost Mount Bracket, Type-C Cable, English Manual.
Date First Available: August 15, 2025
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Thursday, Dec 25
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
So far it seems to work as expected. I have not used it long enough to know what to expect from battery life. Mounting was simple enough, and the overall quality seems great. The light appears to be bright enough to be noticed easily in daylight. Overall I am happy with this item for the price paid.
Reviewed in the United States on December 3, 2025 by D. Cohen
The media could not be loaded. Super bright and compact. Had good options to mount and easy to install. Feels sturdy.
Reviewed in the United States on November 1, 2025 by Victor Victor
This is a very well made light that has a metal body. It is extremely bright, so much so that you don't really want to look right into it. The 2 different mounting brackets have a metal base plate that the light's body screws into with a fine thread. That threaded connection then is sealed with an O-ring - you have to unscrew it every time you want to charge it as the USB port is at the back end of the body which is inside the screwed into the base plate. I guess that is a little more work than having an exposed external port but probably beneficial for waterproofness. The sensor brake light feature works - when you are in flashing mode and decelerate somewhat medium or more, the light turns bright and ever on. I tested that by mounting it to my handlebar so that I can see what happens while riding. It can also be observed by handling it manually though that may not simulate real riding conditions. It also goes into "brake mode" when you flip it 90 degrees. The 2 mounting options are a rubber bracket to attach it to a tube of seat post/handlebar diameters - it will accommodate a range as it has 2 holes and is quite elastic. The other is a seat rail bracket. The seat rail bracket option is not for me - I often wear jackets or flannelly shirts outside my pants (jacket like) and if I was to mount the light that close under my saddle - it would be covered by my clothing. That mounting option is better suited for road race people who wear that snug sport bicycling gear - that is not me. The seat post option is a better choice for me but the same problem applies - it is not ideal for me neither. What I would really like to do is to mount it on my helmet. I have not had an idea yet on how to leverage the seat rail bracket to mount it to my helmet - the base plate is attached to the bracket by 2 tiny screws - so small you have to use these little watchmakers screwdrivers to undo them - so the base plate could easily be removed, but I do not believe those screws would find proper support in any of my helmets. Maybe double sided tape? ... the tough stuff with a foam layer to maybe account for the helmet probably not being a flat surface, like 3M VHB foam tape - but there's probably not enough foam thickness to compensate for the (significant) curvature of any of my helmets in the lower rear area. So I am not sure yet how to do that. If i figure out a simple, nifty way to do that I'll share it.
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Reviewed in the United States on October 27, 2025 by Z.
This is a great little brake light. It comes with two different mounts, a seat post mount that attaches with a rubber strap that goes around the post and a clamp that attaches to the seat rails. The seat mount installs quickly and easily and makes swapping between bikes a few second affair. The seat rail mount is a more permanent mount that requires an Allen key (included) for installation. The rail mount had a very limited range of adjustment and it would not fit the seat rails on my bike so I was forced to use the post mount, which was not my first choice. The light is nice and bright and visible from a good distance. It has several lighting modes including solid on, multiple flashing choices and a steady fade between bright and dim. It has a memory function that remembers your last pattern choice and starts up on that one instead of making you cycle through all the choices every time you turn it on to get to the one you prefer. Another great feature is that it senses when you are braking and lights up solid and extra bright giving you an automatic brake light. The light itself screws into the mount and seals with an oring. Once the light is installed instead of taking the entire mount off you just unscrew the light itself when you need to charge it. Overall this is a great little light.
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Reviewed in the United States on November 21, 2025 by JeffK651 JeffK651
This thing is great! It has 2 different types of attachments, so you can mount it in different ways if needed. It is very bright and does seem to work as a "brake" light, where it gets brighter when I hit my brakes on my bike, though it's not always accurate. Either way, it's plenty bright to be seen at night, and the different blinking settings allow for more striking visibility by cars. The battery lasts a while, though it varies how many days depending on the setting used. It's easy to use and easy to remove. The settings take a little practice at first, but now it's much faster to set since I've been using it regularly. I think it's a decent value for a nice bike light too.
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Reviewed in the United States on November 18, 2025 by Amazon Customer
As the darker months approach, it's more and more important to have a good quality reliable bike tail light available to ensure others see me while riding down the unlit streets in my neighborhood. This aluminum body tail light screws onto one of two bases which have a rubber O-ring to keep the USB-C charging port clean and dry. I like the different light modes and its amazing ability to sense deceleration to simulate a brake light when I am slowing down. The mounting brackets are designed to fit on the seat post or mount to the seat spring. I have a rear bike bag which blocks the back of the seat. So I had to improvise and mount it down near the wheel hub so it can be seen from the rear. The one little thing that bothers me is it has a 30-second auto shutoff that turns it off when it decides that the bike is no longer moving. Yes, it turns right back on when I move again, but it turns off way too quickly. So if I am standing waiting for a red light which can last for 60-90 seconds or longer, it turns off the light too quickly in my opinion, leaving me unlit to the rear. A longer delay before turning off would earn this a solid five star rating.
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Reviewed in the United States on October 15, 2025 by Mister-C Mister-C
Great bright light. Looks like it belongs on the back of a motorcycle. I like the circular design and the battery lasts pretty long too.
Reviewed in the United States on November 25, 2025 by Nate