Gotrax S4 16" Folding Electric Bike, Max Range 28Miles(Pedal-Assist) &15.5Mph Power by 350W Motor, Front Suspension&Adjustable Seat and Handlebar, Commuter Electric Bicycle for Adults Black
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Availability:
In Stock.
Arrives
Saturday, Aug 1
Style: S4 Black
Features
- 【Powerful Riding Performance】Gotrax S4 electric bike is powered by 350W brushless motor with max speed of 15.5MPH. Equipped with 16" tires and a 280.8Wh removable battery, it can travel 15.5miles on pure electric mode with just 5.5 hours of charging. If in Pedal-Assist mode, it can travel up to more than 28miles. Plus, carry an extra battery for embraced a longer travel experiences.
- 【Tailored Safety & Comfort】Gotrax S4 E-bike features a height-adjustable seat and adjustable handlebar, allowing for personalized comfort on extended journeys. Enhanced by dual disc brakes and front shock absorbers, it delivers powerful stopping ability, ensuring both safety and comfort. The console and bell contribute to a confident and secure ride across a variety of road conditions.
- 【Diverse Riding Experiences】Explore 3 riding modes for a fulfilling journey! Effortlessly cruise, exercise, or commute seamlessly – we have you covered. Select Pure Electric Mode, Pedal-Assist Mode, or ride like a normal bike, tailoring your mode to match the purpose of your journey. Plus, the rear cargo rack can be equipped with a basket for transporting luggage to lighten the load on your backpack.
- 【Seize Your Riding Freedom】Immerse yourself in unparalleled convenience with Gotrax S4 electric bike! Its foldable design ensures easy storage in your garage or any compact space. Commute, travel, or embark on outdoor adventures – Gotrax S4 E-bike effortlessly follows your lead. Savor diverse pleasures on your journeys and enjoy an overall enhanced ride – anytime, anywhere.
- 【Easy Assembly & After Sales Guarantee】The electric bike is easy to assemble, most of the work already done and clear instructions and tools provided. Plus, Gotrax comes with a 365-day part assurance and customer support. If you experience any problems, we will strive to provide you with 100% satisfactory after-sales service.
- 【UL Certificaed】With our product's UL2849 safety certification, your safety is our priority.
Description
*365 days free return and exchaneg service. Choose Gotrax, You will get excellent value for money. S4 16" electric bike Dolphin 26" electric bike R1 Folding Commuter Bike FLEX ULTRA E-Scooter A5 Electric Scooter A7 E-Scooter with Basket ASTRO E-Scooter with Seat
Bike Type: Electric Bike, Folding Bike
Number Of Speeds: 1
Suspension Type: Front
Additional Features: Adjustable Seat, Dual Disc Brake, Durable, Foldable, Headlight
Brake Style: Disc
Specific Uses For Product: Road
Power Source: Electric motor
Lithium Battery Energy Content: 280.8 Watt Hours
Intended Riding Terrain: Paved Roads
Electric Assist Type: pedal assist
Battery Life: 5.5 Hours
Color: Black
Style Name: S4 Black
Wheel Size: 16 Inches
Size: 16-inch
Age Range Description: Adult
Brand Name: Gotrax
Included Components: Battery, Charger, Electric Bike, Tool Kit, User Manual
Model Number: S4 Black
Model Name: S4 Black
Global Trade Identification Number: 00810132395482
UPC: 810132395482
Manufacturer: ZHEJIANG TAOTAO VEHICLES CO. ,LTD
Warranty Description: 1 Year Manufacturer
Item Type Name: Electric Bike
Best Sellers Rank: #110,788 in Sports & Outdoors (See Top 100 in Sports & Outdoors) #22 in Electric Folding Bikes
ASIN: B0DHN7NJDR
Frame Material Type: Alloy Steel
Maximum Weight Recommendation: 264 Pounds
Is Assembly Required: No
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Saturday, Aug 1
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
As a frequent user of Gotrax products, I must say that this electric bike has exceeded my expectations. With its powerful 350W brushless motor and 280.8Wh removable battery, I can travel up to 15.5 miles on pure electric mode and over 25 miles in Pedal-Assist mode. The additional feature of carrying an extra battery allows me to embrace longer travel experiences. What sets this e-bike apart is its emphasis on safety and comfort. The height-adjustable seat and adjustable handlebar ensure a personalized fit, while the dual disc brakes and front shock absorbers provide a secure and comfortable ride. The console and bell add to the overall confidence and security of the ride. I appreciate the versatility of the Gotrax NEPHELE, which offers three riding modes: Pure Electric Mode, Pedal-Assist Mode, and Normal Bike Mode. This feature allows me to tailor my ride to suit my needs, whether I want to cruise, exercise, or commute. The foldable design of the e-bike is another advantage, allowing for easy storage in my garage or any compact space. I can take it with me on outdoor adventures, commute to work, or simply enjoy a leisurely ride. The assembly process was straightforward, and the provided instructions and tools made it easy to get started. Lastly, I must mention the excellent customer service offered by Gotrax. When I encountered an issue with the delivery of the tools, pedal, and battery charger, the staff promptly sent the missing items upon notification. Their responsiveness and dedication to customer satisfaction are truly impressive. In conclusion, the Gotrax NEPHELE 16" Electric Bike is an exceptional product that offers a fulfilling ride experience. Its powerful performance, emphasis on safety and comfort, versatility, and ease of use make it an ideal choice for anyone seeking a reliable and enjoyable e-bike. I highly recommend it and look forward to many more exciting adventures on two wheels!
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Reviewed in the United States on February 7, 2024 Reviewed in the United States on February 7, 2024 by ✧˖° Jeanne Lee ✧˖°
Two things which impressed me are its speed and functionality. Assembly was a breeze. Took 15 minutes for my husband to fully set it up. The speed gear is very sensitive and it goes fast. It goes from zero to 15MPH in no time. Can be used to go check mail, to go to park, to pick up kids from school or even go to office if it’s within 15 miles. It’s small and lightweight. Can be folded right from the middle of the bike to put it in the car trunk or to put away in your garage or to take it in your office. Moreover my teenage daughter and I both are using it and it’s fantastic. The seat height is adjustable which makes it very convenient. Battery is removable and can be charged both off and on the bike. The look and feel of this bike is awesome too. You can use it as normal bike or electric bike and I’m loving it both ways.
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Reviewed in the United States on January 22, 2024 Reviewed in the United States on January 22, 2024 by Maria
Style: Nephele Step-thru White
Installation: It’s easier than thought to assemble this e-bike. The bike comes in a big box with major parts pre-assembled. Only the front wheel, front light, handle and pedals require installation. It took me about an hour to finish the process and the most difficult part is to understand the instructions, which could be something to be improved. Other than that, nothing to complain. Design: The overall design is very neat, with a lot of parts adjustable. So it becomes very easy to share between family members and friends. The folding is also made very easy. The front light and rear breaker light are very nice features which makes the ride much safer. The only thing can be improved is the key. There are two different keys needed to operate the bike - battery key and bike key - which can be somehow simplified. Tuning and riding: after install the front wheel, the front break probably needs additional tuning but has no instructions. Generally need to fine tune the three screws highlighted in my third photo, by the order, until the break pads and the plate are in good position without interfering. After tuning the break, the ride becomes very smooth and enjoyable. It automatically boost the power when pedaling. Or use handle to manually control the throttle.
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Reviewed in the United States on January 1, 2024 Reviewed in the United States on January 1, 2024 by Jeff
This bike is a fantastic option for anyone looking for a fast, efficient , reliable way to get around.One of the standout features is its impressive speed. Whether you’re committing through the city or just on enjoying a leisurely ride, the bike delivers smooth acceleration, making it easy to navigate through traffic or glide down the street. It offers a feeling of control, even when reaching higher speeds, which is important for safety and confidence while riding. The responsive braking system ensures that you can quickly and safely, no matter how fast you’re going. In terms of battery life, this bike doesn’t disappoint. It offers a solid range on a single charge, which is perfect for daily use. While the range can vary depending on factors like terrain or ride weight, it still manages to cover a decent distance before needing to recharge. Charging is relatively quick, so you won’t find yourself waiting around for hours before you’re ready to head out again. This is also perfect for people like me who tend to forget to plug things in all the time!
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Reviewed in the United States on April 4, 2025 Reviewed in the United States on April 4, 2025 by Virginia
This thing is great for a very short commute. Maybe someone in a retirement community or city neighborhood where you don't need to travel too far. It was very simple to assemble out of the box. There IS a reason the instructions tell you to put on the front fender and headlight first - saves you a minor pain trying to assemble it with the wheel on. I let it charge while I was putting it together then took it out for a few miles. The battery indicator still says full. I'm not sure if I'll trust it. I let it get a full charge and rode it for a solid hour today and it still stays full battery. I've had a small battle with the seat post dropping when I go over bumps but I also weigh over 250lbs. There is an adjustable clamp, I'm still just working on finding the sweet spot where it holds up and still easy to pop open the seat clamp. I went in with pretty low expectations and have been pleasantly surprised by this little guy. It moves my 250 lbs the same speed as everyone else on the bike path - except the serious ebikes. They pass my pretty quick. This is a single speed, like riding a kids bmx bike. The pedals are really only there to get you across a busy street or up a steep hill, both of which are pretty easy with the electric throttle. Two day Amazon delivery was on time as advertised. If you're looking for what I was - a (relatively) cheap, fun toy to cruise the bike path and get to the barcade and back, this is it.
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Reviewed in the United States on May 8, 2024 Reviewed in the United States on May 8, 2024 by Zack Miller
Style: Nephele Step-thru White
I have never owned a folding bike before, but I do have a normal eBike. I am reviewing this from the perspective of someone who loves their eBike, but is unsure on folding bikes -- especially cheap ones. Please see my video overview for more details. This bike ships in a large box, and must be assembled. All necessary tools are included (some Allen wrenches, wenches, and a screwdriver). The manual is well written with diagrams for every step. It read well - not the typical poorly translated “Engrish” manuals I have gotten used to. Assembly took me about 45 minutes, though I bet I spent 5-10 just clipping off zip ties and removing packing. The steps are all well explained, and none are more complex than “put this in that and tighten the other.” I did find it odd that the manual starts giving instructions on how to fold the bike down before it was fully assembled. There was also a front axel brace installed on my unit, which needed to be removed before the wheel could be attached - the manual did not mention that, and my lack of experience with building bikes had me confused for a moment. Once assembled, the tires need to be inflated to the values shown on them — mine were 40 PSI max. The battery also must be charged with the surprisingly small charger. The manual says charge time is 5 1/2 hours, but I did not time mine. I just kept an eye on the red light of the charger and unplugged it when it turned green. The handlebar and seat can be adjusted up and down with a quick release clamp. There are numbered markers on the post so once you find your settings, it is very easy to set them again if you have to shorten them for folding (or for someone else to ride it). I am 5’ 10” and there was enough adjustment room to set it up for me to ride comfortably. Folding the bike is done in two steps. There is a quick release on the frame when must be undone, and then pulled to one side to release a pin. Only then will the frame fold over. The handlebar has a similar quick release. With the frame and handlebar folder down, it is quite compact and fits easily in the back storage compartment of my car. The pedals also can be folded flat. When folded, it did not appear there was any way to lock things in place. Once you figure out where to grip it to pick it up, it is easy, but the first time I tried it, the bike was kinda unfolding. There are two sets of keys included — three for the ignition, and two for the battery. The battery slides in to a groove, and then the key can be used to lock it in place. To activate the battery, the key can turn from “off” (locked in place) to “on” (locked in place, and activated). A third position is “unlocked”, for removing the battery. There is a charging port on the side of the battery, and another connector where you plug a cable from the bike in to the battery. On the handlebar is a bell, and another keyhole. A second key is used here to go from “off”, to “on” to “on + lights.” There is a front headlight that is quite bright, and a tail light. When brakes are applied, the tale light flashes. Although the bike has pedals, they are not required to make it run on the motor. You tap the brake, and then just turn the grip and the bike takes off. And it really takes off. This is a single speed bike, and I wasn’t expecting the small 350 watt motor to be this responsive. You can ride full on electric without pedaling at all, unlike some expensive eBikes that only run in “pedal assist” mode. I quite like that. I am only in my first week of owning this bike, and I expect to update this review in the Spring with more observations. For now, the first rides have been surprisingly fun. I expected the small 16” tires to give a rough ride, but they do not. I tested a particularly bumpy sidewalk to test the front suspension and it worked well. I expected the smaller motor to have problems on a steep incline in the neighborhood. That hill is enough that my Gotrax scooter barely makes it up. This bike just slowed down to about 9 mph and kept on going. I was pleasantly surprised. On the handlebar is a simple display that just shows battery level - one to four bars. There is no speedometer or odometer. It would be nice to have both, though I did test speed using a GPS app and saw the bike easily doing the 15 mph speed the manufacture states. As to distance on a charge, I do have a way to verify that. I have been taking trips through the neighborhood, around the block, and am still on my original charge. I plan to take the bike to work and ride it to lunch and see how many days of light travel I can get on the battery. eBikes are heavy, but since you can quickly remove the battery, you can lighten it a bit for loading it in an out of a car. For storage at home, I leave it set up, but you can fold it down and push the seat down to make it more compact. The bike has front and rear disc brakes. They work well, though I need to adjust my front brakes. During assembly, I pushed them a bit more than I should have, trying to get the disc in the right place. Mine rub slightly, so I need to adjust that. Pedaling the bike is okay, but as one would expect from a single speed bike with small wheels, it’s not going to give you the ride experience you get with a full size bike. I could easily pedal around the block, but I don’t expect to ever have to pedal this bike unless my battery runs out on me. I consider this an electric bike with a pedal backup system ;-) It is winter here in Iowa, so all my test riding has been in sub-freezing temperatures. This is not great for battery life, so I expect it to be even better when temperatures warm up. No complaints here. I think I am sold on the concept of a folding bike. There’s something really nice about being able to undo two quick releases and fold it down, then just pick it up and set it in the back of the car. If I want to take my other bike anywhere, I have to hook up the bike rack. I can fold and load this bike quicker than I can get the bike rack attached. Very pleased so far. I will update this review if I encounter any issues.
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Reviewed in the United States on January 28, 2024 Reviewed in the United States on January 28, 2024 by Allen C. Huffman
Style: S4 Black
Good build quality, capable motor, sufficient battery capacity I thought the bicycle when folded would be convenient to carry to my apartment but it's more unweidly than when unfolded. Still it is good quality and as advertised.
Reviewed in the United States on April 24, 2026 by Amazon Customer
I had a small missing part while I was assembling the bike, there was a missing spacer for the front wheel. So I contacted the support for gotrax and a person named Kayla responded to me. She is the most helpful product support I have ever had contact with. She never left me and kept on answering my emails giving me update of the missing part I requested. There was some problem with the spacer being delivered and eventually they sent me a whole new set of front wheels which is great. I am giving 4 stars for the missing part but I will give 5 stars for the product support. Very responsive and kept promise to send the part. As for the bike itself, I love the bright orange color. It folds well and fits in a back of a small car (nissan kicks). My husband bought the 20 inch gotrax electric bike as well and we can see a some difference in size. As for the weight, I would say these bikes are on the heavier side although they look smaller and have smaller wheels. I would say if I’m gonna use this on a daily basis for commute and If I have more space at home or have a bigger car, I would try keep it open as is and not fold because it can be difficult to fold because of the weight (might need some practice to get a hang of folding and unfolding the bike). However, my husband and I bought these mainly for the folding feature since we have a little space in our condo and have a small car. We are planning to use these bikes to go around national parks and more for leisure and if we needed some boost uphill. Overall, great bikes and great customer support.
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Reviewed in the United States on September 7, 2025 Reviewed in the United States on September 7, 2025 by Kevin Guanlao