Hycline R4FT electric bike & fat bike replacement fat tyre, sizes available in 20x4.0 / 26x4.0

2-pack 20x4.0 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.

All-terrain / Training / Commuting

R4FT

$59.99

20"×4"
26"×4"

30 PSI

Style

Buy a single tire
Buy 2-pack tires with tubes

Style

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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

Free shipping for orders over $99
7 U.S. warehouses nearest shipment
30-day returns
1-year warranty

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.

Tire Features:

Excellent traction in dry or wet conditions
Blocky side knobs provide a corner grip
Minimal drag on hardpack or paved terrain
High-density rubber with strong puncture resistance
Folding bead resists deformation under load for stable, worry-free riding

Note: After disassembly, the steel ring should be placed in a flat state before installation. Please check the details and dimensions carefully before purchasing.

Specs

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

Recommended Reason

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.
Non-Folding 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: ★★★★☆