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🚴♂️ Light up your night rides like a pro—because safety and style wait for no one!
The Siuyiu JW617 bike light features 17 LEDs producing 4800 lumens with a 2624-foot beam range, powered by a 10000mAh rechargeable battery offering 7-16 hours runtime. It includes four lighting modes, USB-C fast charging, a digital battery display, and an IP65 waterproof aluminum build. Designed for secure, tool-free mounting, it’s perfect for commuters, mountain bikers, and families seeking reliable, high-performance night visibility.

















| Asin | B0D924GKQ3 |
| Auto Part Position | Front |
| Best Sellers Rank | #7,390 in Sports & Outdoors (See Top 100 in Sports & Outdoors) #9 in Bike Headlights |
| Brand Name | Siuyiu |
| Color | JW617 |
| Customer Reviews | 4.5 4.5 out of 5 stars (809) 4.5 out of 5 stars |
| Included Components | 1*Bike light, 1*Packing Box, 1*Type-C Charging Cable, 1*User Manual, 2*Aluminium Brackets |
| International Protection Rating | IP65 |
| Item Dimensions L X W X H | 6.69"L x 1.85"W x 1.18"H |
| Light Output Maximum | 4800 lumens |
| Manufacturer | Siuyiu |
| Manufacturer Part Number | S-JW617 |
| Material Type | Acrylonitrile Butadiene Styrene, Aluminum |
| Model Number | S-JW617 |
| Mounting Type | Handlebar Mount |
| Number Of Items | 1 |
| Number Of Packs | 1 |
| Number Of Pieces | 1 |
| Number Of Settings | 4 |
| Power Source | Battery Powered |
| Unit Count | 1 Count |
| Upc | 639394251363 |
| Warranty Description | 1 Year |
| Water Resistance Level | Waterproof |
User
Excellent Light
Without a doubt a great purchase. I got this to give me more visibility at night. It delivered and how!. I ride an Ebike, 35 to 40 mph. I need to be able to see obstacles BEFORE I'm running over them. Riding on the berm of the highway. There are plenty of things to dodge. This light makes everything visible. Even on the LOW setting. Installing was not hard. But I had to pay attention to what I was doing. I would recommend this product. My safety is worth the expense. Which is not that much. Especially compared to a hospital bill. And the value and comfort of confidence I get using this light. You can SEE EVERYTHING! Battery life is good. You know exactly how much power is left. Recharging is a breeze.It looks great on my Ebike too.
User
The best of the bike head lights
This is a great bike light that gets you through the dark. In daylight, it helps prevent getting run over by its powerful blinking mode. It is easy to recharge.
User
Great customer service.
Very bright. I first ordered an 1800 lumen light. It wasn't bright enough when riding through tunnel on rail trails. This one is much better. I had a problem with the screw that holds to light to the bracket. They sent me a new bracket. Great customer service.
User
Powerful lighting i buy it again
Great job
User
Bright lightbar for ebike
Bought this for my son’s HiKeep e-bike and it works so much better than the stock light. You easily see him coming and he can see while riding late in the evening. He installed it himself and has lasted months with no issues. Highly recommend for safety.
User
Recommended
10/10.This makes riding my ebike at night a whole new experience. Illuminates the path way better than the single OEM headlight. I use both lights together and everything is bright as day.Build quality and battery durability is outstanding.
User
Great brightness
I got this for my husband's electric scooter and it's nice and bright
User
Disappointed, I really wanted to like this light!
Okay, I purchased this light mainly because of the yellow light option and the claimed lumens.My first red flag was the only, and still 2 weeks later the only reviews are Amazon Vine reviews and there's only 5.But I really wanted to like it! Sooo, I purchased and well, I like the beam pattern and it has a nice cut off line but that's where the good stops for me.I'm not criticizing the feel of the product because it feels very sturdy and of well built quality and it really is. My issues are 1, the light will turn off after a few seconds and if you just barely press a button it comes back on with no further issue unless you switch to high beam or power it off and then back on whether it is for a second or minutes, but it will turn off and need to lightly press a button again.The only way I can get the highest lumens is with the white and yellow beams both on at the same time, and it's nowhere near the claimed brightness, maybe 1000 lumens? Just a guess, I don't have a meter to confirm but what I do have is a 1200 lumen light that by far out shines this light side by side. One last thing, argh.... (I REALLY wanted to like this light! ) On the low beam yellow high setting # 1 in 8 minutes it drops to 65% I was afraid to test the power consumption on the high beam both times I've tried this with fear of not returning to home with enough power to safely see my way because it really needs to be on high. Low power low beam might be 100, maayyybeee 150 lumens. Was going to give 2 stars based on light output and battery life however I felt the need to give credit to the solid quality feel and beam pattern as well as the cut off line. Oooooh, I will try and add a video!
User
Buena compra
Alumbra muy bien el bosque por la noche, allá mente recomendable para el MTB nocturno
User
Rekommenderas.
Mycket bra lampa för priset!Provade den för första gången dag, jag har den på min bebis barnvagn när vi går promenader i skogen.Jag kan inte svara för antalet lumen men den lyser på bra. Jag har några ficklampor på 2000 lumen sedan tidigare (bland annat Olight) och denna är mycket starkare, även på lägsta modet.Enkel att montera, känns som en bra konstruktion, finns 3 olika distanser, 4 om du räknar med fästet i sig. Det finns två plastdistaner och en gummipackning, jag har valt att använda bara fästet och packningen. Trots att jag kör över lite rötter och andra ojämnheter sitter den still och rör sig inte om inte vagnen rör sig.Batterinivå syns tydligt i displayen och jag upplever att den är rättvis med antal timmar och minuter som har gått. Levererades med 97% batterinivå, uppskattas om man som jag är otålig och vill prova den igår.Rekommenderas!
User
Buena iluminación
Muy aceptable luminosidad. Por lo menos he verificado duración encendida más de cuatro horas a máxima intensidad. Muy buen producto con más que excelente relación calidad precio.
User
RECOMENDADA
Se ve muy bien en la noche, solo no se confíen, aun que marque que le quedan varias horas de batería la intensidad de la luz comienza a disminuir, yo la cargo cada tercera salida, y normalmente la uso 2 horas aproximadamente por redada, es decir la cargo cada 4/5 horas de uso ya que después de ahi baja la intensidad de alumbrado, pero funciona bien y se ve muy bien en la bicicleta
User
Nice and bright
works as it should
Trustpilot
1 month ago
2 weeks ago