20 x 4.0 Fat Bike Inner Tube for Fat Tire & Ebike, 2 Pack

Price: $19.99
(as of Sep 09, 2026 13:58:19 UTC – Details)

Product description

More Specifications Of Inner Tubes From PAKCHEF

Add to Cart

Add to Cart

Add to Cart

Add to Cart

Size Specification

20 x 4.0

24 x 4.0

26 x 4.0

16 x 4.0

Product Category

Bicycle Inner Tube

Bicycle Inner Tube

Bicycle Inner Tube

Bicycle Inner Tube

Applicable Vehicle

Fat Tire E-Bike

Fat Tire E-Bike

Mountain Bike, E-Bike

Fat Tire Kids E-Bike, Scooter

Suitable Tire Width

4.0

4.0

4.0

4.0

Core Function

Replace the damaged inner tube

Replace the damaged inner tube

Replace the damaged inner tube

Replace the damaged inner tube

TRUE 4.0″ PERFECT FIT: Engineered specifically for 20″ fat tires that are 4.0″ wide (ETRTO: 102-406). Eliminates folding and overstretching, making it the ideal 20 x 4.0 bike tube replacement for electric bikes, mountain bikes, and beach cruisers.
THICKER & MORE DURABLE: Made from high-density, heavy-duty butyl rubber with thickened walls, this premium 20 x 4 fat tire tube is highly wear-resistant. It provides superior puncture resistance and reliable performance against road debris.
REINFORCED VALVE BASE: Handles high weight and instant motor torque. These 20×4.0 e-bike tubes feature a reinforced, thickened valve base securing the 32mm Schrader valve, preventing stem tears if the low-pressure tire slips.
STABLE & COMFORTABLE RIDE: Our inner tubes feature excellent air retention & consistent pressure, reducing frequent inflation. The thick construction delivers better shock absorption & stability, especially on rough terrain, for a smoother, safer riding experience.
QUICK SETUP: Includes 2 premium tire levers for beginners. Quickly replace tubes without hurting fingers or scratching rims.