isinwheel U8 Plus Fat Tire Electric Bike Review: Can It Really Go 105 Miles?

The isinwheel U8 Plus delivers excellent power and range for commuting and trail riding at a fair price, but its 86-pound weight and lack of folding make it unsuitable for apartments or public transit.

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Key Specifications

Motor
1500W Peak
Battery
13Ah
Weight
85.9

Best For

How this e-bike scores for different riding styles

Off-Road Adventure
92/100

The 1500W peak motor with 80Nm torque handles 30% slopes, while 26x4.0" fat tires, dual suspension, and 7-speed gears provide excellent all-terrain capability. Puncture-proof tires tested for 5000 miles ensure durability on trails.

Daily Commuting
88/100

With 75-105 mile range, 28 MPH top speed, and step-through frame design, this bike excels for daily commuting. Integrated lights, LCD display, and hydraulic brakes enhance safety and convenience for urban transportation.

Recreational Leisure
85/100

The comfortable step-through frame, dual suspension, cruise control, and walk mode make this ideal for relaxed riding. Fat tires provide stability and smooth rides on various surfaces including beaches and neighborhoods.

High Performance
82/100

The 1500W peak motor delivers 28 MPH speeds and 80Nm torque for impressive acceleration. However, the 85.9 lb weight reduces the power-to-weight ratio compared to lighter high-performance models.

Cargo & Utility
60/100

While the 1500W motor provides strong hauling power, the lack of rear rack and unspecified weight capacity limits cargo functionality. The frame and motor can likely handle loads, but dedicated cargo features are absent.

Compact & Portable
25/100

At 85.9 lbs and 78 inches long without folding capability, this bike is not suitable for compact storage or public transit. The step-through design helps with mounting but doesn't address portability needs.

Our Verdict

The isinwheel U8 Plus is a really strong electric bike that works great for lots of different riders. The 1500W motor is powerful enough to zoom up steep hills and cruise at 28 mph on flat roads. You can ride between 75 to 105 miles on one battery charge, which is enough for a whole week of going to work and back. The fat tires are 4 inches wide, so they grip well on dirt trails, sandy beaches, and even snowy paths. The dual suspension soaks up bumps to make your ride smooth and comfy. The hydraulic brakes work really well to stop you quickly and safely, even when you're going fast downhill.

This bike is perfect for people who want to ride to work every day or explore trails on weekends. The step-through frame means you don't have to lift your leg way up high to get on - just step through and sit down. This makes it great for older adults, shorter people, or anyone wearing regular clothes instead of workout gear. The cruise control feature lets you relax your thumb on long straight roads. You get bright 2000 lumen lights built in, so you can see clearly when riding at night. The LCD screen shows your speed, battery level, and how far you've gone.

The main problem is this bike weighs almost 86 pounds, so it's really heavy to lift. You can't fold it up either, so you need a big garage or shed to keep it. If you live in a small apartment or need to take your bike on the bus or train, this isn't the right choice. It also doesn't have a USB port to charge your phone, and there's no app to connect to your smartphone. You'll need to buy fenders separately if you want to stay dry in puddles. But if you have space to store it and want a powerful bike for daily rides or weekend adventures, this is a great pick for the $730 price.

What We Like

  • Super powerful 1500W motor climbs steep 30% hills and hits 28 mph top speed
  • Goes really far on one charge - up to 105 miles with pedal assist mode
  • Fat 4-inch tires and dual suspension make bumpy trails feel smooth and easy
  • Step-through frame makes getting on and off super easy for any age or height
  • Hydraulic disc brakes stop you fast and work great even in wet weather

What Could Be Better

  • Heavy at 85.9 pounds - tough to carry upstairs or load onto a car rack
  • No folding option means you need lots of storage space at home or work
  • Missing USB charging port to charge your phone while riding
  • No app connectivity to track rides or change settings from your phone
  • Doesn't come with fenders or rear rack installed - need to buy separately

Standout Features

1500W peak motor with 80Nm torque
Exceeds excellent benchmark (>1200W) and provides superior hill-climbing compared to typical 500-750W e-bikes
75-105 mile maximum range
Significantly above excellent threshold (80+ miles) and roughly double the range of average e-bikes (40-55 miles)
Hydraulic disc brakes with dual suspension
Premium braking system superior to mechanical discs found on most e-bikes in this price range, paired with full suspension for optimal control

Full Specifications

Performance

Motor Power1500W Peak
Gears7

Battery & Range

Battery Capacity13Ah

Build & Frame

Frame MaterialAluminum
Frame SizeLarge
Wheel MaterialAluminum
SuspensionDual
Brake StyleHydraulic Disc

Weight & Capacity

Bike Weight85.9

Additional Info

Age RangeAdult

Features

Included Features

Cruise Control
Fat Tires
Integrated Lights
LCD Display
Pedal Assist
Removable Battery
Suspension
Throttle
Walk Mode

Not Included

App Connectivity
Fenders
Foldable
Rear Rack
USB Charging

Frequently Asked Questions

Common questions about 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

How fast can this bike go?

The bike can go up to 28 miles per hour at top speed. That's fast enough for bike lanes and keeping up with city traffic.

How far can I ride before the battery dies?

You can ride 75 to 105 miles on one charge, depending on if you pedal along with the motor or just use the throttle. Using pedal assist mode gets you the longest distance.

Can this bike handle hills and rough trails?

Yes, the 1500W motor can climb hills as steep as 30 degrees. The fat tires and dual suspension make it work great on dirt trails, gravel, and bumpy paths.

Is it easy to get on and off this bike?

Yes, it has a step-through frame which means there's no high bar in the middle. You just step through and sit down, which is much easier than swinging your leg over a tall frame.

How heavy is this bike and can it fold up?

The bike weighs 85.9 pounds, which is pretty heavy. It does not fold, so you'll need a good amount of space in your garage or shed to store it.

Scores

Overall Score 87/100
Value Score 92/100
Popularity 78/100

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Tags

high power motor long range battery fat tire all terrain step through accessible hydraulic brakes dual suspension best for commuting trail ready great value heavy duty

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