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ZorixBike M9 Electric Bike vs Tamobyke V20 Fat Tire E-Bike

Both are 20-inch fat-tire Class 3 bikes with 750W motors, 48V 15.6Ah batteries and full suspension, so the choice comes down to gearing, weight and fit. The Tamobyke V20 adds a 7-speed drivetrain, a step-through frame, an alarm and a lighter build, and it scores higher with owners (4.7 from 298 ratings versus 4.0 from 77). The ZorixBike M9 is the simpler single-speed machine at 115 lb, and owners report solid range and a comfortable ride but a squeaky seat spring. Pick the V20 for commuting and mixed terrain; pick the M9 only if you want a basic throttle-and-go trail bike and don't mind the weight.

  • Choose the ZorixBike M9 if you want a simple single-speed fat-tire bike for trail and snow riding and don't need gears or a step-through frame.
  • Choose the Tamobyke V20 if you want gears for hills and commuting, a lighter step-through frame, and the higher owner rating.

Prices

  • ZorixBike M9 Electric Bike: $549.99 at Walmart (last seen Nov 10)
  • Tamobyke V20 Fat Tire E-Bike: $77.45 at Quality Furniture (last seen Nov 10)
  • Difference: the Tamobyke V20 Fat Tire E-Bike is $472.54 cheaper than the ZorixBike M9 Electric Bike at the latest prices (Nov 10)
ZorixBike
ZorixBike Electric Bike

ZorixBike M9 Electric Bike

ZorixBike Electric Bike

4(77 ratings)
$549.99at WalmartChecked Nov 10
See all prices and details
Visit Walmart
Pros
  • Full suspension and 20x4 fat tires handle sand, snow and mud
  • Strong climbing torque for steep grades
  • Owners praise pedal-assist range and comfort
  • Ships mostly assembled
Cons
  • Very heavy at 115 lb
  • Single speed limits cadence on flats and hills
  • Lower owner rating with fewer reviews
  • No written warranty listed
Tamobyke
Tamobyke V20 Fat Tire Electric Bike

Tamobyke V20 Fat Tire E-Bike

Tamobyke V20 Fat Tire Electric Bike

4.7(298 ratings)
$77.45at Quality FurnitureChecked Nov 10
See all prices and details
Visit Quality Furniture
Pros
  • 7-speed gearing and 5 assist levels suit commuting and hills
  • Lighter at 84 lb and easier to mount with the step-through frame
  • Higher owner rating from far more reviews
  • Built-in alarm and UL 2849 tested electrics
Cons
  • Owners report range falling short of claims
  • Some units arrive with loose or disconnected parts
  • Manual is unclear
  • Tires can be hard to seat without bulging

What separates them

ZorixBike M9 Electric BikeTamobyke V20 Fat Tire E-Bike
DrivetrainSingle speed, 1x17-speed geared with 5 pedal-assist levels
Weight115 lb84 lb with battery
FrameSteel, standard mountCarbon steel, step-through
Motor torqueAbout 90 Nm83 Nm, 1000W peak
Top speed28 mph assist, 20 mph throttle28-30 mph assist, 20 mph throttle
Owner rating4.0 from 77 ratings4.7 from 298 ratings
ExtrasNo alarm, no written warranty listedBuilt-in alarm
Reported assembly issuesArrives 90% pre-installedOwners report loose parts and unclear manual

Price history

$699.99$77.45
Oct 31Nov 14
  • ZorixBike M9 Electric Bike: lowest $549.99 on Nov 1 at Walmart; $699.99 on Nov 14.
  • Tamobyke V20 Fat Tire E-Bike: lowest $77.45 on Nov 10 at Quality Furniture; $579.00 on Nov 14.

Prices at every store

ZorixBike M9 Electric Bike

  • WalmartNew

    In stockSold by Yaweibike

    $549.99Free shippingChecked Nov 10
    Visit Walmart
  • WalmartNew

    Availability unknown

    $549.99Checked Nov 3
    Visit Walmart
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $699.99Free shippingChecked 1 h ago
    Visit Amazon

Also available at

  • WalmartCheck price at Walmart

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Tamobyke V20 Fat Tire E-Bike

  • WalmartNew

    In stockSold by TamobykeReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $579.00Free shippingChecked 1 h ago
    Visit Walmart
  • eBayNew

    In stockSold by movcan0 (99.4% positive, 173 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $579.00Free shippingChecked Nov 8
    Visit eBay
  • TamobykesportNew

    In stock

    $589.00Free shippingChecked Nov 13
    Visit Tamobykesport
  • Quality FurnitureNew

    Availability unknown

    $77.45+ $19.95 shippingChecked Nov 10
    Visit Quality Furniture

Also available at

  • WalmartCheck price at Walmart

Store links may earn us a commission.

All 5 stores and price history →

Specs compared

SpecZorixBike M9 Electric BikeTamobyke V20 Fat Tire E-Bike
colorOtherOther
actual_colorM9 mini/48V 15.6Ah/70MilesV20-15.6Ah
Suspension TypeFull SuspensionFull suspension
Frame MaterialSteelCarbon Steel
Wheel Size20 inch wheels20"
Number Of Speeds1 speed7
Tire Width4 inch tires4''
Maximum speed28 mph30 MPH
Battery capacity15.6 Amp Hours48V 15.6Ah
Weight115 lb84 lbs (with Battery)
TypeMountain—
Age GroupAdult—
Show all 40 specsShow fewer specs
SpecZorixBike M9 Electric BikeTamobyke V20 Fat Tire E-Bike
With Hydraulic BrakeYes—
Frame Size20 inch frame—
Bicycle typeMountain Bikes—
Maximum travel distance70 mi—
Electric bicycle classClass 3—
Charging time5 hr—
Bicycle brake designDisc Brakes—
SuspensionFull Suspension—
Volts48 Volts—
Watts

What reviewers say

ZorixBike M9 Electric Bike

  • 4 / 577 ratings

Rated 4 out of 5 from 77 ratings, buyers mostly report strong pedal-assist range, speeds above 30 mph and a comfortable ride. The main recurring complaint is a squeaky seat coil spring.

What people mention
  • RangePraisedBuyers say pedal-assist range lives up to the claimed 50-70 miles.
  • SpeedPraisedRiders report reaching over 30 mph.
  • ComfortPraisedThe full suspension and fat tires make for a comfortable ride.
  • Seat noiseCriticisedThe seat coil spring squeaks while riding.

Tamobyke V20 Fat Tire E-Bike

  • 4.7 / 5298 ratings

Owners rate the V20 highly, mostly for value, power and comfort. Complaints center on range that misses the claims and spotty quality control out of the box.

What people mention
  • PowerPraisedRiders say the 750W motor climbs hills and pulls through sand and snow with little effort.
  • SuspensionPraisedThe front fork and rear shock are called out for smoothing rough pavement and trails.
  • Battery rangeCriticisedOwners report real range well under the claimed 60-68 miles, depending on terrain and assist level.
  • AssemblyMixed

Questions and answers

Which is better for commuting?
The Tamobyke V20. Its 7-speed drivetrain and 5 assist levels let you keep a steady cadence in traffic, and the step-through frame is easier to mount. The ZorixBike M9 is single speed and weighs 115 lb, which is awkward in tight spaces.
Which climbs hills better?
The ZorixBike M9 has slightly more torque (about 90 Nm versus 83 Nm) and is rated for 30-35 degree grades. The V20's 7-speed gearing partly offsets that, so it still climbs well, but the M9 has the edge on the steepest pitches.
Which lasts longer?
Both use steel frames, 48V 15.6Ah batteries and UL 2849 tested electrics, so hardware life is similar. The V20's gearing and alarm add parts that can wear or fail; the M9's single speed has fewer things to break.
Is the V20 worth stepping up to over the M9?
For most riders, yes. You get gears, a lighter bike, a step-through frame and a much stronger owner record. Step down to the M9 only if you want the simplest possible trail bike and the extra torque matters more than gearing.
Which is better for tall or heavy riders?
Both carry up to 330 lb. The V20 is sized for riders about 5'5" to 6'6". The M9 is listed as an extra-large frame, so check standover height before buying if you are shorter.
Do owners report problems with either?
V20 owners mention range short of claims, loose parts on arrival and an unclear manual. M9 owners mostly praise range and comfort, with a squeaky seat spring as the common complaint.

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Buying guides that pick them

  • Best fat-tire electric bikes for adults
750 Watts
—
BrandLoonfat—
Speeds1—
Max load330 lb—
Drivetrain1x1—
Motor typeGeared Hub—
Battery life5 years—
Size descriptorExtra Large—
Has written warrantyNo—
Has nrtl listing certificationY—
Is assembly requiredY—
Intended Use—Commuting
Usage Terrain—All-Terrain
Brake Type—Hydraulic brake
Brake Highlights—Hydraulic Brakes
Drivetrain Type—Geared
Drivetrain Highlights—7-speed pedal assist
Range—60-Mile
Riding Style—Everyday riders
Assembly is generally easy with the included tools, but the manual's pictures are hard to follow.