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20 x 4.0 Heavy-Duty Steel Cord Puncture-Resistant E-Bike Fat Tire

20 x 4.0 Heavy-Duty Steel Cord Puncture-Resistant E-Bike Fat Tire

Best price now

$68.88at SGV BicyclesChecked 20 min ago

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Price facts

  • Lowest price today: $68.88 at SGV Bicycles (checked Nov 14, 2026).

Our take on the 20 x 4.0 Heavy-Duty Steel Cord Puncture-Resistant E-Bike Fat Tire

This is a single 20 x 4.0 fat tire for e-bikes, built with a reinforced steel cord casing and an aggressive block tread. It is meant as a replacement or upgrade for bikes that already run 20 x 4.0 tires, and the puncture-, cut- and wear-resistant construction targets riders who deal with flats and rough surfaces. It holds up to 266.6 lbs at a maximum of 20 PSI. Against lighter stock fat tires it trades some weight and suppleness for durability and grip on gravel, dirt and mixed terrain.

Best forE-bike owners replacing a worn 20 x 4.0 tireRiders on gravel, dirt and mixed surfacesCommuters tired of flats from road debrisRiders who want a rugged block tread look
Pros
  • Reinforced steel cord casing for strength
  • Puncture- and cut-resistant layer targets flats
  • Aggressive block tread grips loose and uneven ground
  • Wear-resistant compound for longer life
  • Foldable carbon steel bead for easier storage and mounting
  • Rated to 266.6 lbs at up to 20 PSI
Cons
  • Sold as one tire, not a pair
  • Heavier than a plain fat tire, which dulls acceleration
  • Stiff casing can make mounting on a rim harder
  • Block tread is noisy and draggy on smooth pavement
  • Only fits bikes built for 20 x 4.0 tires

20 x 4.0 Heavy-Duty Steel Cord Puncture-Resistant E-Bike Fat Tire prices at every store

  • SGV BicyclesNew

    In stockReturn policy

    $68.88Checked 20 min ago
    Visit SGV Bicycles

From SGV Bicycles

  • 20 x 4.0-inch fat tire for compatible electric bikes
  • Heavy-duty steel cord reinforced construction for added strength and durability
  • Puncture resistant to help reduce flats from road debris and sharp objects
  • Cut resistant against rough riding surfaces
  • Wear resistant for long-lasting performance
  • Aggressive block tread for traction on pavement, dirt, gravel and uneven terrain
Sizes
20 x 4.0
Materials
Steel cord reinforced construction; black
Fit
20 x 4.0 inches (20-inch nominal diameter, 4.0-inch nominal width); verify sidewall size, rim compatibility and frame/fork clearance before ordering
Sizing
Designed for compatible e-bikes using 20 x 4.0-inch fat tires; not all models from listed brands use the same tire size, so check your current tire's sidewall s
Care
Inflate per manufacturer instructions on the tire sidewall; never exceed 30 PSI; check pressure regularly with a reliable gauge
Returns
All other products (non e-bike) may be returned within 30 days of delivery if new, unused and in original packaging; contact before shipping; customer pays retu
Shipping
In-stock orders ship within 24 hours on business days (Monday–Friday); weekend orders ship next business day; free shipping not offered, charges shown at checko
Packs
Sold individually; price is for one tire only, not sold as a pair
In the box
One (1) 20 x 4.0 Heavy-Duty Steel Cord Fat Tire

About the 20 x 4.0 Heavy-Duty Steel Cord Puncture-Resistant E-Bike Fat Tire

This is a 20 x 4.0-inch fat tire for electric bikes and fat-tire bicycles that use that size. It has a steel cord reinforced rubber build and a foldable carbon steel bead. The construction is meant to resist punctures, cuts and wear.

The aggressive block tread is made for traction on pavement, dirt, gravel and mixed terrain. It is a clincher tire with a maximum load of 266.6 lbs.

Inflate the tire according to the instructions printed on its sidewall, and check the pressure regularly with a gauge. Before ordering, check your current tire's sidewall size, rim compatibility, and frame and fork clearance. It is sold as a single tire, not a pair.

Tire size
20 x 4.0 inches (20-inch nominal diameter, 4.0-inch nominal width)
Tire type
Clincher
Material
Rubber with steel cord reinforcement
Bead
Foldable carbon steel bead
Tread
Aggressive block tread
Max load
266.6 lbs
Color
Black
Use
Electric bikes and fat-tire bicycles
Surfaces
Street, dirt, gravel and mixed terrain
Compatibility
E-bikes that use 20 x 4.0-inch fat tires, including select models from COSWHEEL, Super73, ENGWE, Himiway, Rad Power Bikes and Addmotor; not all models from these brands use this size
Brand
Hycline
Part number
20x4.0-BLK
Warranty
1 year
Quantity
1 tire, sold individually
In the box
1 x 20 x 4.0 heavy-duty steel cord fat tire

Specifications

Tire size
20 x 4.0Source
Max inflation pressure
20 PSISource
Maximum load
266.6 lbsSource
Tire type
ClincherSource
Tread type

Questions and answers

Is this one tire or a pair?
It is one tire. The box contains a single 20 x 4.0 tire, so order two if you are replacing both.
Will it fit my e-bike?
Only if your bike runs 20 x 4.0 tires and your rim matches that size. Check the sidewall of your current tire before ordering.
What pressure should I run?
The maximum is 20 PSI. Lower pressure softens the ride and adds grip on loose ground; higher pressure rolls better on pavement.
How much weight can it carry?
The tire is rated for a maximum load of 266.6 lbs.
Is it tubeless or tube-type?
It is a clincher tire with a foldable carbon steel bead, so it mounts on a standard rim with a tube.
Does the steel cord make it puncture-proof?
No tire is. The reinforced casing and puncture-resistant layer reduce flats from debris and sharp objects, but a direct hit can still get through.
Where is the 20 x 4.0 Heavy-Duty Steel Cord Puncture-Resistant E-Bike Fat Tire cheapest?
At SGV Bicycles, for $68.88, as of our latest check.

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Bead
Source
Material
RubberSource
Bead
Foldable carbon steel beadSource
Included components
E-bike Fat Tire x1Source
Warranty
1 YearSource
Color
20x4.0-BlackSource
Brand
HyclineSource
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