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isinwheel U8 Plus Electric Bike for Adults,1500W Peak Motor Hydraulic Brake Ebike,Max 20/28MPH 75-105Miles Electric Bicycle with 13AH/18AH Battery,26" Step-Thru Fat Tire Commuter E Bike for Adults

  • Based on 42 reviews
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$879.99 Why this price?
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Availability: Unavailable
Fulfilled by isinwheel-Shop
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Color: Black


Style: U8 Ultra-105+ Miles


Features

  • 1500W High-Power Motor The U8 Ultra electric bike features a brushless 1500W peak motor, delivering 28 MPH top speed and 80Nm torque to conquer 30% slopes. Rigorously tested over 1000 cycles for reliable ebike off-road performance.
  • Go Farther, Ride Stronger The U8 Ultra ebike Featuring stealthily embedded 48V 18Ah battery with IPX6 waterproofing.Delivers 105+ miles range(PAS), powered by BMS 2.0 and 27100 cells for unmatched safety & durability.
  • All-Terrain Fat-Tire Beast U8 Ultra Electric Mountain Bike equips 26"x4.0" puncture-proof tires with 3X wear-resistant layers and drainage grooves (5000Miles tested). Full suspension, 7-speed gears, 2000lm lights, and dual mechanical discs conquer any terrain safely.
  • Smarter & Safer Riding The U8 Ultra Electric dirt bike features sealed hydraulic brakes for instant stopping power, Corrosion-resistant and low-maintenance. ideal for high-speed and steep terrain. Offers 4+1 smart modes: (PAS/Electric/Cruise/Walk/Pedal) for ultimate safety Riding
  • Easy Step-Thru Design - Newly upgraded 6061 aluminum frame is lighter in weight, provides the U8 Ultra e bike better portability, good corrosion resistance and is not easy to rust.Step-Thru design is easy to get on and off the bike for riders of all ages and abilities, provides a comfortable riding position and reduces the burden on the back and hips

Bike Type: Electric Bike


Age Range (Description): Adult


Brand: isinwheel


Number of Speeds: 7


Color: Black


Wheel Size: 26 Inches


Frame Material: Aluminum


Suspension Type: Dual


Special Feature: Perfect for Daily commutes Weekend adventuresv Effortless errands


Brake Style: Disc


Bike Type: ‎Electric Bike


Age Range (Description): ‎Adult


Brand: ‎isinwheel


Number of Speeds: ‎7


Color: ‎Black


Wheel Size: ‎26 Inches


Frame Material: ‎Aluminum


Suspension Type: ‎Dual


Special Feature: ‎Perfect for Daily commutes Weekend adventuresv Effortless errands


Brake Style: ‎Disc


Item Weight: ‎85.9 Pounds


Style: ‎U8 Ultra-105+ Miles


Model Name: ‎U8 Ultra


Power Source: ‎Electric motor


Wheel Material: ‎Aluminum


Lithium Battery Energy Content: ‎864 Watt Hours


Warranty Type: ‎Limited


Assembly Required: ‎No


Bicycle Gear Shifter Type: ‎Bar End


Bicycle Drivetrain Type: ‎Hub Motor


Electric Assist Type: ‎Pedelec and Throttle


Manufacturer: ‎Shenzhen Xincheng Times Technology Co.,Ltd


Package Weight: ‎100.5 Pounds


Item Dimensions LxWxH: ‎78 x 28.7 x 46.9 inches


Brand Name: ‎isinwheel


Date First Available: May 7, 2025


Frequently asked questions

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Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

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View our full returns policy here.

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Top Amazon Reviews


  • Love this bike!
Color: Black Style: U8 Plus-75+ Miles
Bought this for my husband who is over weight, diabetic and sedentary! I didn't want to spend $2k on a bike shop bike and just wanted to see if he'd give it a try. He is 71 and hasn't been on a bike of any kind in over 50 years! HE LOVES IT!!! Macho man even wears a helmet!! Pros: Easy to assemble, easy to ride! Cons: Haven't found one yet!! ... show more
Reviewed in the United States on August 18, 2025 by Daryl Jean

  • Great Electric Bike
Well-built and battery last longer than you can ride the bike (my seat gets tired). Only negative is there no operating instructions on how to efficiently utilize the bike, had to ride it for many miles to figure out best power settings and speed to maximize the battery. Recommend buy for sure!
Reviewed in the United States on August 22, 2025 by James Spaulding

  • Service department 👎
Color: Black Style: U8 Ultra-105+ Miles
I've ridden ebikes for over 4 yrs now. This bike is heavy it's meant for light trails and asphalt roads. It's pick up is decent 80 n m will pull you up a decent incline. It does stated Max speed. Brakes are spongy not my favorites. Get a new seat ! Cloud 9 is a good one !! as the ride can be rough on the back. It's built well but suspension on front leaves Alot to be desired and nothing on back. . . I'm writing this after 100 miles on new bike i wanted to give an honest review. So in general bike is decent. My only complaint is the unnecessary emails I've had to write like 5 or 6 now with same info and complaint over and over and over again. The rubber plug on charging port was ripped off somehow ? They keep asking me how ? I don't know other customers stated the same in there reviews so apparently it's an issue with shipping.you asked 3 times now you don't believe me ??. I took immediate pictures unboxing. after they requested info I sent all necessary documents information and pictures of missing rubber on charging port on bike frame last WK. . Today they emailed me and they again ask if I need plug. Today again I said yes I need this frustrating !! when you buy a 900.00 bike and they string you along for simple 50 cent item. It only Led me to ask myself what if it was something else more serious went wrong? How would they handle this ask yourself ? . It's unexcusable almost 2 wks and still no answer or plug just emails asking if I still need a rubber plug I have tape over it for now unreal. And they don't get back in there claimed times. It's whenever with them. ... show more
Reviewed in the United States on August 21, 2025 by Kevin

  • Quality bike for way less than the competitors
Color: White Style: U8 Plus-75+ Miles
Large bike for taller people. I’m 6’6 with plenty of room. This bike rides smooth over any terrain and has plenty of power and range. It’s a good buy fr
Reviewed in the United States on July 4, 2025 by Amazon Customer

  • Uncontrollable power. Full speed or nothing. AND range is 105KM, not MILES...
Color: Black Style: U8 Ultra-105+ Miles
This bike seems to have one speed only...very fast. I can't even peddle fast enough to keep up with the surging motor as the PAS kicks in. I have to stop peddling to disengage the motor, and then as I try to peddle again it does the samething...it surges uncontrollable.
Reviewed in the United States on August 15, 2025 by James E. Dostie

  • Cannot get assistance,,,,i am not very good with my cell phone
Color: White Style: U8 Plus-75+ Miles
It is a new model U8 and there is no tech info got flat tire in less than 100 mi. not very happy not sure what to do with it ...Service is near impossible to get help with talks a big game .....although there are some good points
Reviewed in the United States on June 9, 2025 by Joe Pellizze

  • No real pedal assist!
Color: White Style: U8 Plus-75+ Miles
Great e-bike except for the fact there is no real pedal assist… when you pedal the bike goes to the top speed regardless of what level you have it set on. I set the bike to pedal assist 1 and as soon as I began to pedal the bike went to 28 mph. Just be aware when purchasing this bike you will have use the throttle if you do not want to go full speed when riding. I wish this would’ve been clear in the description. The pedal assist listed is false ... show more
Reviewed in the United States on August 19, 2025 by Bernard K.

  • False advertising.
Color: Black Style: U8 Ultra-105+ Miles
This product does not go the speed that it is listed for so do not purchase. We are returning and don’t have an exact price for how much they are charging for shipping or how much we will be returned. Save your money on this product because the description is not what they are advertising.
Reviewed in the United States on August 23, 2025 by Crystal Van Nortwick

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