PROMOS

Hummingbird 26x4.0 Super Off-Road fat tire set for fat bikes and e-bikes. Aggressive knobby tread for traction on dirt, loose terrain, and rough trails. Foldable bead tires for easier storage and install.

What’s included

• 2x hummingbird 26” x 4.0 tires (foldable bead)

• 2x 26x4 compatible inner tubes

• 2x tire levers

Specs

• Size: 26” x 4.0 (4 inch width)

• Tire type: Clincher

• Material: Rubber

• Color: Black

• Features: Foldable bead, knobby tread, puncture-resistant construction (not puncture-proof)

Fitment notes (important)
Confirm your current tire size reads 26x4.0 on the sidewall before ordering. Fit depends on rim width and frame/fork clearance—message us if you want a quick compatibility check before you buy.

Returns
No returns accepted (defects/issues handled case-by-case—contact us right away if there’s a problem on arrival).

Joletire 26x4.0 Super Off-Road fat tire built for aggressive traction on dirt, loose terrain, and rough trails. Great for fat bikes and e-bikes that need a tougher tread and stable handling off-road.

Specs

• Size: 26” x 4.0

• Tread: Super Off-Road (aggressive knobby)

• Bead: Foldable

• Color: Black

• Tire type: Clincher

• Protection: Puncture-resistant construction (not puncture-proof)

Fitment notes (important)
Confirm your current tire size reads 26x4.0 on the sidewall before ordering. Fit depends on rim width and frame/fork clearance—message us if you want a quick compatibility check.

All-black 20x4 street/supermoto-style fat tire with a smooth, quiet roll. Lightweight for its class but built thick for daily e-bike abuse.

Street / Supermoto Style for 20x4 Builds

The INNOVA IA-2579 20x4.0 is a street-focused fat tire for riders who want a clean all-black look, quiet rolling, and predictable grip on pavement. Perfect for supermoto-style e-bike setups that stay on the streets.

Why riders choose it

• Street tread = smooth + quiet vs knobby tires

• Thick, durable feel for everyday riding and e-bike torque

• Lightweight for a 20x4 tire: approx. 1350g (2.98 lb / ~3.0 lb)

• All-black sidewall for a stealth build

Specs

• Size: 20 x 4.0

• ETRTO / ISO: 102-406

• Type: Tire (not a tube)

• Use: Street, bike paths, hardpack cruising

What’s included

• 1x INNOVA IA-2579 tire (20x4.0)

• Inner tube NOT included (sold separately)

Fitment help (avoid wrong-size orders)

If you’re not 100% sure, message us a photo of your current tire markings (the numbers on the sidewall). We’ll confirm fit before you order.

Upgrade your ride with the Roauick 26x4.0 Folding Fat Tire Kit—built for fat bikes and e-bikes that run a 26x4 setup and want a smooth, efficient tire for street and hardpack riding. This complete kit includes two folding 26x4.0 tires, two matching inner tubes, and two tire levers, so you can install everything in one shot without chasing extra parts.

Designed for stable handling and predictable braking on everyday roads, this all‑black setup is a solid choice for commuters, weekend riders, and anyone refreshing worn tires on a 26x4 wheelset. As always, confirm your tire size before ordering to avoid fitment issues.

What’s Included

• 2x Roauick 26x4.0 folding tires

• 2x inner tubes (26x4.0)

• 2x tire levers

Key Specs

• Size: 26 x 4.0

• Type: Clincher / Folding

• Recommended inflation: up to 20 PSI (1.4 BAR / 140 KPa)

• Color: Black

• Fitment note: Confirm the size printed on your tire sidewall matches 26x4.0 / 98-559 before ordering.