Cygolite Hypershot 350 Lumen Bike Tail Light– 7 Night & Daytime Modes–User Adjustable Flash Speeds- Compact & Durable–IP64 Water Resistant–Saddle Rail Mount Version–USB Rechargeable
Condition: New
$39.40
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Availability:
In Stock.
Arrives
Wednesday, Nov 4
At a glance
- Condition
- New
- Style
- 350 Lumens, Standard Seatpost Mount
- Model
- HY-350-USB
- Dimensions
- 1"L x 1.5"W x 2"H
- Weight
- 2.4 oz
- Color
- Red, Black
- Material
- Plastic
- In the box
- Hypershot 350 tail light - seat post mount - seat stay mount - micro USB charging cable
- Warranty
- One Year Limited Warranty
Features 5
- One of a kind extremely bright 350 lumen tail light stands out day and night on busy streets. Patent pending adjustable flash speeds lets you maximize motorist awareness with its unique and easy to use 2 button control
- 7 lighting modes for day and night use: -Steady Zoom Steady Pulse - Bzzz Flash - Triple Flash - Daylighting Flash - Random Flash. Wide range run time of 2 to 200 hours with flash speed adjustment (see image #4 for run times)
- Steady Pulse 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 hard seat post & seat stay mounts, all while keeping a compact form & weighing only 75 grams. Designed for convenience with USB rechargeable design & 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
Description
350 lumens packed into an unbelievably compact form, the incredibly powerful Hypershot 350 is the latest and greatest from the originators of the most powerful line of LED bike tail lights. This powerful dual LED tail light puts out ultra bright 350 lumen flashes in an extra wide and long range beam pattern that makes cyclists stand out both day and night.
Specs 24
| Color | Red, Black |
|---|---|
| Brand | Cygolite |
| Material | Plastic |
| Power Source | Battery Powered |
| Water Resistance Level | Water Resistant |
| Item Weight | 2.4 ounces |
| Mounting Type | Seat Post Mount and Stay |
| Product Dimensions | 1"L x 1.5"W x 2"H |
| Number of settings | 7 |
| Light Output Maximum | 350 lumens |
| Auto Part Position | Rear |
| Item Dimensions L x W x H | 1"L x 1.5"W x 2"H |
| Material Type | Plastic |
| International Protection Rating | IP64 |
| Brand Name | Cygolite |
| Unit Count | 1 Count |
| Number of Packs | 1 |
| Manufacturer | Cygolite |
| UPC | 745025096255 |
| Number of Items | 1 |
| Global Trade Identification Number | 55 |
| Item Type Name | Bike Light |
| Model Number | HY-350-USB |
| Manufacturer Part Number | HY-350-USB |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Wednesday, Nov 4
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
Absurdly Bright, Design Oversight with Mounting Mechanism
Style: 350 Lumens, Standard Seatpost Mount
April 2025 Update: Still going strong, zero issues with water intrusion, still unbelievably bright. Cyclists now ask me to use the lower settings if in tight quarters. I've used all light settings and the range is excellent for all conditions. Charge keeps for up to 1 week with 1-2 hours of use per day. Purchased April 2023 I ride daily in NYC, and *in* traffic, since bike lanes are often overcrowded with confused riders–arguably just as dangerous as cars at times. The Hypershot 350 is actually 1 of 2 rear lights on the bike (again, I ride in traffic). It is fully visible in daylight, and unavoidable at night. I have not walked back to gauge the total distance it is visible, but I have stopped mid-street on avenues and observe the red flicker on street signs *at least* 1/4 of a mile back. If you stand 30 feet behind it, it is practically blinding. Other comments suggesting its brightness looks like an ambulance from a distance are accurate. Received multiple comments from cyclists in daylight hours "wow, that is extremely bright" and "it was so bright I had to slow down and put more distance between me and you." Excellent visibility aside, there are two ways of mounting: a vertical clip; and a lateral (side to side) release of the clip itself. The latter is completely unnecessary, and the light fell off the bike mid-ride three times before I forced the lateral mechanism shut. No issues with the charging port cover, but I see the frailty of it may become an issue; be gentle or the rubber stop will come out, and you will pain yourself to reattach it. Too many lighting options; I only use two (random strobing, pulsing flash). Highly recommended. Absolutely makes riding safer. Waterproof. Video includes use of both the Hypershot 350 (seat post mount) *and Hypershot 150.
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Reviewed in the United States on May 28, 2023 by Drew - NYC
Cygolite Hypershot – 350 Lumen Bike Tail Light
Style: 350 Lumens, Standard Seatpost Mount
I don't bike much but realize it's important to be seen both day and night. I have witnessed people on bikes without lights or lights that were so dim during the day that i thought why bother; one I believe was even a "brake light" type of rear light that barely got brighter when stopping - this is not dim. I haven't used it on the bike yet but indoors this light is bright; it projected light at least 25 feet with a large spot of red light on the wall. It can change speed of the flashes in flash modes and the light brightness for the steady on & buzz mode; I'm thinking that even at the lowest light brightness if another biker is behind you it'll be too bright because of the way it projects the light.. I bought it for the daytime flash mode, the ability to change the brightness and flash speeds. It has a clip to put it on a bike bag that's mounted behind or under the seat (have to hold keys somewhere! :-) ). It came almost fully charged but I did have to top it off but it was a quick top off. It seems to be a well built product and hopefully it'll last a while. I know there are higher lumen taillights than this one but if this projects as well outside in day light as it did in the house it''ll be a great taillight.
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Reviewed in the United States on August 24, 2025 by Vinny
Really, really bright taillight
Style: 350 Lumens, Standard Seatpost Mount
This is the brightest tail light out there. Everything else I've seen or used pales in comparison. Super bright, painfully bright. I use it day and night on zoom mode at its brightest setting. It took a while to bother to read the instructions and this is what I learned: the main button is on and off. Once its on, you can depress it briefly to cycle through the various modes (including steady on). Long press off. The second button is brightness. I put it on steady mode and depressed until it reached its brightest and left it there. Then short press on the power button to put it in zoom. It remembers that its on zoom and the brightness. So all I have to do is short press on for it to unleash its amazingly, almost blinding light. Then long press off. This is my second hypershot 350. I switch them out every few days to keep them charged but it does last a pretty long time. One minor annoyance was that when I got this from amazon and threw away the packaging, I realized that it took a very long press to turn it off - like five seconds or more. During that long press, it started blinking maniacly and if I didn't continue to keep it pressed down,, it would shut off but then come back on the next time in a different mode. Not a total deal killer but still, it bugged me. So I went on their website and sent a message to customer support and Eric got back to me and told me to mail it to them and they'd try to fix it. Then they got back to me to say they decided to send me a new on. So aside from having to pay for shipping which I didn't really mind since it was my own stupidity that caused this to begin with, I was very happy. And I've actually contacted cygo-lite customer service previously for guidance on the mounting hardware. Its pretty great that Cygolite responds to messages.
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Reviewed in the United States on September 10, 2026 by Robert Fleagle
Save your life, or life of your loved one !
Style: 350 Lumens, Standard Seatpost Mount
As a former Emergency Medical Tech, I have seen more than my share of heartbreak over the years. While I live in a rural area, I spend a good amount of time riding my eBike in multiple busy cities, with automobiles flying by me. Over the last year I have been searching and purchasing safety lights to maximize my chance of surviving a potential injury by make certain that I AM VISIBLE to vehicles that I share the roadway with, hopefully avoiding a collision in the first place. This strobe (350 lumen model) has multiple presentations - some are more visible for daytime riding, while others are almost so bright, to be offensive to those coming up from behind me at night. GREAT!!!! While it solidly connects to a post that can be permanently mounted to your bike, the unit itself has a clip which you can attach to a backpack for your student walking home to keep them safe. More impressive, is that with the remote charging, using a C-cord, depending on which mode you're using, you can get hours and hours of use in between charges. I can also assure you that this would be ideal for hikers and snowboarders, as the strobe can be seen from the air. Save your life, or life of your loved one ! BUY IT! If you find something even better that is also cost efficient, please post it here for all of us to see. Thanks!
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Reviewed in the United States on October 25, 2023 by Kimberly W.
Cygolite Hypershot 350 & 250 Lumen Bicycle Taillight- 2 is better than one!
Style: 350 Lumens, Standard Seatpost Mount
One thing you need to know, is that this tail light is, in a word, bright! Has a generous number of modes, adjustable brightness and reasonable battery life depending on how you adjust it (the product insert is pretty much right on and the battery performs well over time). Useful certainly at night, but also provides great visibility during the day on those narrow single lane roads where cars go way too fast. With this light, they must see me because they noticeably slow down (I know, don't you wish they'd slow down more often!). Paired with a Cygolite front light in blinking mode, daytime visibility is guaranteed. I've used other brands, but have now transitioned all our bikes to Cygolite. After nearly a year on the road this light is really holding up!
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Reviewed in the United States on October 26, 2025 by Kid Doc
Stunning brightness, flimsy mounting hardware
Style: 350 Lumens, Standard Seatpost Mount
Wow this baby is bright. If you bike on busy high speed roads this is a must. I have a seemee300 for steady beam (important for drivers to assess distance from you) and this to catch their attention. Only negative is the mounting hardware is cheap and flimsy. Definitely a bummer for the price and cygolite reputation.
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Reviewed in the United States on August 11, 2026 by Jennifer Stingray
Possibly too bright for group rides
Style: 350 Lumens, Standard Seatpost Mount
This is one of the brightest rear tail lights out there. Expertly designed, too/ May take a minute to familiarize yourself with the various settings. It is extremely bright at night. On a recent group ride, i had several people tell me it was blinding them. Then they asked who makes it? I had to study the settings to find out how to make it dimmer. You can only do this in two modes: Steady and Buzz Flash. The L button controls on/off and switching between modes. The right button will dim or brighten the light in those two modes. It comes with two mounts, for seatpost and seatstay. You can also clip it to a bag. If you want to mount it to a rack, you need to buy the rack mount, which needs extra hardware to fit on a Blackburn MTB rack. There is also a saddle rail mount available. I usually clip it to my under-seat bag, but I could also clip it to my rack bag or a messenger bag or backpack. AFAIK, there's no real way to clip it to the back of a helmet, except for maybe an aftermarket strap. It has some proprietary tech that adjusts brightness to meet different lighting conditions, which gives it a variable run time in every mode. I have no idea how this actually works, but Cygolite mention it in their marketing materials. It will also remember the last setting when turned on, which is a nice feature. If and when sheer britness matters, this may be the king of shine. It certain;y gives confidence in night riding that you will be visible in traffic. Just remember to dial it down if going on a group ride.
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Reviewed in the United States on September 22, 2024 by E. K. Arnold
Love this light!
Style: 350 Lumens, Standard Seatpost Mount
This light is amazing and I felt seen. When I'm riding solo, cars rarely ever get up on my rear wheel anymore. I think this light is so bright that they just dont want to be right behind me. I felt seen I the daylight and I felt seen from half a mile away when it's pitch black out. I love the various mixes - important to me as I turn it solid during group rides so not to blind the other riders. And then the various blinking modes for when I'm riding solo. My only gripe about this - and I didn't deduct a star because the light is that good - is the mounting hardware. You have to purchase an external piece of hardware I'd you want to mount it to an aero seatpost. I feel this should come with this light to match current bike trends. I was able to rig something up on my own and it works, bit that was a minor annoyance. Get this light though, it rocks!
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Reviewed in the United States on February 25, 2026 by Marc L