Hycline R4FT electric bike & fat bike replacement fat tyre, sizes available in 20x4.0 / 26x4.0
Hycline 2-pack 20x4.0 inches electric bike and motorcycle tires with inner tubes and tire levers
Hycline 2-pack 26x4.0 inches electric bike and motorcycle tires with inner tubes and tire levers
R4FT Tire with slanted block tread pattern and text 'All-Terrain Control and Grip', ITS AGGRESSIVE ALL-TERRAIN TREAD FOR ENHANCED GRIP
Close-up of an electric bicycle tire with inflation instructions on a white background
A close-up of a black ebike's fat tire with tread and sidewall text reading 20x4.0 / 102-406, with overlaid size information showing diameter 20 inch and width 4.
A close-up of the Hycline's fat tire for ebikes with tread and sidewall text reading 26x4.0 /102-559, overlaid with size information: diameter 26 inch and width 4 inch
Heavy-duty fat tire for ebikes with unstoppable traction. Serrated shoulders, 3D locking sipes & self-cleaning mud bars deliver reliable grip for off-road & all-terrain e-bike rides.
Hycline's premium fat tire for ebikes with off-road tread, anti-puncture tech, smooth rolling, superior traction & long durability for all-terrain electric bike riding.
Close-up of a rugged off-road tire on a dirt bike or bicycle, splashing through mud on a forest trail. Text overlays read 'GRIP YOU CAN TRUST' and highlight wet weather grip and anti-slip traction.
Instructional graphic for mounting a TPU tire tube, featuring four numbered steps with illustrated hands and a bicycle wheel, alongside a smiling man holding a tire on the right. Text reads 'EASY INSTALLATION' and describes inflating, mounting, and pumping the tube.
Hycline R4FT electric bike & fat bike replacement fat tyre, sizes available in 20x4.0 / 26x4.0
Hycline 2-pack 20x4.0 inches electric bike and motorcycle tires with inner tubes and tire levers
Hycline 2-pack 26x4.0 inches electric bike and motorcycle tires with inner tubes and tire levers
R4FT Tire with slanted block tread pattern and text 'All-Terrain Control and Grip', ITS AGGRESSIVE ALL-TERRAIN TREAD FOR ENHANCED GRIP
Close-up of an electric bicycle tire with inflation instructions on a white background
A close-up of a black ebike's fat tire with tread and sidewall text reading 20x4.0 / 102-406, with overlaid size information showing diameter 20 inch and width 4.
A close-up of the Hycline's fat tire for ebikes with tread and sidewall text reading 26x4.0 /102-559, overlaid with size information: diameter 26 inch and width 4 inch
Heavy-duty fat tire for ebikes with unstoppable traction. Serrated shoulders, 3D locking sipes & self-cleaning mud bars deliver reliable grip for off-road & all-terrain e-bike rides.
Hycline's premium fat tire for ebikes with off-road tread, anti-puncture tech, smooth rolling, superior traction & long durability for all-terrain electric bike riding.
Close-up of a rugged off-road tire on a dirt bike or bicycle, splashing through mud on a forest trail. Text overlays read 'GRIP YOU CAN TRUST' and highlight wet weather grip and anti-slip traction.
Instructional graphic for mounting a TPU tire tube, featuring four numbered steps with illustrated hands and a bicycle wheel, alongside a smiling man holding a tire on the right. Text reads 'EASY INSTALLATION' and describes inflating, mounting, and pumping the tube.
UPC SIZE ETRTO PSI TPI BEAD COMPOUND UNIT WT (KG) NEED TUBE
635508713437 20×4.0 102-406 30 30 Folding Puncture-Resistant 2.00 Yes
635508715509 26×4.0 102-559 30 30 Folding Puncture-Resistant 2.25 Yes
All-terrain / Training / Commuting

Heavy-Duty Build – Great for rough terrain and high loads
R4FT is a folding fat bike & ebike tire with reinforced steel bead. It is a balanced tire for all terrains: hardpack, gravel or off road.
Folding Wire Steel Bead – Stronger, more durable structure
200% X Puncture resistance and durability of ordinary fat tires.
150% X Better shock absorption
120% X Low rolling-resistance Tread – Smooth and efficient rides
Terrain: hardpack/pavement/gravel/dirt/trails

Speed: ★★★★☆
Control: ★★★★☆
Puncture resistance: ★★★★★
Puncture resistance: ★★★★☆

SPECS

Description

R4FT is a heavy-duty folding wire bead tire for electric bikes and fat tire bikes.

Confidently gliding across sandy beaches, snowy trails, city streets, and gravel paths — all on a tire built to carry heavy loads, resist punctures, and deliver exceptional grip. R4FT is made of a premium rubber compound and features a deep diamond pattern that reduces friction by 40% when riding on pavement or hardpack. The regular raised knobs provide a strong grip even on muddy and wet surface.
With improved load-bearing capability, durable tread, and elevated puncture resistance, every ride becomes more reliable, more fun, and worry-free.


Best e-bike tires replacement for 20x4, 26x4 electric bike at Hycline Bike Shop
What advantages should a high-quality premium fat tire have?
20x4 and 26x4 fat bike fat tire dimensions and specifications
All-terrain off-road fat tire for ebikes with rugged tread for snow, city pavement, sand, mud & mountain trails. Durable e-bike fat tire delivers stable grip for every riding condition.
Heavy-duty off-road fat tire for ebikes, built for snow, city roads, sand, mud & mountain terrain. Rugged tread offers reliable traction for all e-bike rides.

Specification

Item No.: R4FT
Sidewall Color: Black
Tire size: 20x4 / 26x4 Inch
ETRTO: 102-406 / 102-559mm
Bead Type: Folding
Tread Type: Block knob
Max PSI: 30
Tube Valve Type: Schrader valve
Tube Valve Length: 32mm
Unit Weight (G): 2000 / 2200
harpack/gravel/dirt/trails

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Warranty & Return

We guarantee our products for 1-year warranty and 30-day return. > Return Policy   
Start a return or exchange contact at: service@hyclinebike.com

  • Free shipping for orders over $99

  • 7 U.S. warehouses nearest shipment

  • 30-day returns

  • 1-year warranty

“Tires take you farther, not define where you go.”

Frame 1000007517

Go Further. Find One Tire

Hycline Tires Built for efficiency where it matters most: on real terrain, not just on paper.
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Aggressive Trail That Adapts to You

Hycline mountain tires conquer sand, mud and rough trails. Explore anywhere, your route your call.
Hycline heavy duty fat tires for electric bike, all terrain e-bike fat tire`

Power Ride Ready When You Are

Hycline fat tires stand ready for your next e-bike adventure, wherever it leads. Set off now!

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Hycline R4FT electric bike & fat bike replacement fat tyre, sizes available in 20x4.0 / 26x4.0
Hycline 2-pack 20x4.0 inches electric bike and motorcycle tires with inner tubes and tire levers
Hycline 2-pack 26x4.0 inches electric bike and motorcycle tires with inner tubes and tire levers
R4FT Tire with slanted block tread pattern and text 'All-Terrain Control and Grip', ITS AGGRESSIVE ALL-TERRAIN TREAD FOR ENHANCED GRIP
Close-up of an electric bicycle tire with inflation instructions on a white background
A close-up of a black ebike's fat tire with tread and sidewall text reading 20x4.0 / 102-406, with overlaid size information showing diameter 20 inch and width 4.
A close-up of the Hycline's fat tire for ebikes with tread and sidewall text reading 26x4.0 /102-559, overlaid with size information: diameter 26 inch and width 4 inch
Heavy-duty fat tire for ebikes with unstoppable traction. Serrated shoulders, 3D locking sipes & self-cleaning mud bars deliver reliable grip for off-road & all-terrain e-bike rides.
Hycline's premium fat tire for ebikes with off-road tread, anti-puncture tech, smooth rolling, superior traction & long durability for all-terrain electric bike riding.
Close-up of a rugged off-road tire on a dirt bike or bicycle, splashing through mud on a forest trail. Text overlays read 'GRIP YOU CAN TRUST' and highlight wet weather grip and anti-slip traction.
Instructional graphic for mounting a TPU tire tube, featuring four numbered steps with illustrated hands and a bicycle wheel, alongside a smiling man holding a tire on the right. Text reads 'EASY INSTALLATION' and describes inflating, mounting, and pumping the tube.
Hycline R4FT electric bike & fat bike replacement fat tyre, sizes available in 20x4.0 / 26x4.0
Hycline 2-pack 20x4.0 inches electric bike and motorcycle tires with inner tubes and tire levers
Hycline 2-pack 26x4.0 inches electric bike and motorcycle tires with inner tubes and tire levers
R4FT Tire with slanted block tread pattern and text 'All-Terrain Control and Grip', ITS AGGRESSIVE ALL-TERRAIN TREAD FOR ENHANCED GRIP
Close-up of an electric bicycle tire with inflation instructions on a white background
A close-up of a black ebike's fat tire with tread and sidewall text reading 20x4.0 / 102-406, with overlaid size information showing diameter 20 inch and width 4.
A close-up of the Hycline's fat tire for ebikes with tread and sidewall text reading 26x4.0 /102-559, overlaid with size information: diameter 26 inch and width 4 inch
Heavy-duty fat tire for ebikes with unstoppable traction. Serrated shoulders, 3D locking sipes & self-cleaning mud bars deliver reliable grip for off-road & all-terrain e-bike rides.
Hycline's premium fat tire for ebikes with off-road tread, anti-puncture tech, smooth rolling, superior traction & long durability for all-terrain electric bike riding.
Close-up of a rugged off-road tire on a dirt bike or bicycle, splashing through mud on a forest trail. Text overlays read 'GRIP YOU CAN TRUST' and highlight wet weather grip and anti-slip traction.
Instructional graphic for mounting a TPU tire tube, featuring four numbered steps with illustrated hands and a bicycle wheel, alongside a smiling man holding a tire on the right. Text reads 'EASY INSTALLATION' and describes inflating, mounting, and pumping the tube.

R4FT

R4FT is a heavy-duty folding wire bead tire for electric bikes and fat tire bikes. Confidently gliding across sandy beaches, snowy trails, city streets, and gravel paths — all on a tire built to carry heavy loads, resist punctures, and deliver exceptional grip. R4FT is made of a premium rubber compound and features a deep diamond pattern that reduces friction by 40% when riding on pavement or hardpack. The regular raised knobs provide a strong grip even on muddy and...
$52.99
Tax included. Shipping calculated at checkout.
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Size
  • 20"×4"
  • 26"×4"
PSI
  • 30 PSI
Style
  • Buy a single tire
  • Buy 2-pack tires with tubes
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