20x4.0 (100/114-406) (2-PCS) Heavy Duty Bike Tubes Premium Butyl Rubber with Schrader Valve 40mm Inner Tubes Compatible for 20 x 4.0 20x4 20x4.5 E-Bike/Electric/Mountain Fat Bike Tires Tubes(E-002) — Open-Box, 34% Off

Name: 20x4.0 (100/114-406) (2-PCS) Heavy Duty Bike Tubes Premium Butyl Rubber with Schrader Valve 40mm Inner Tubes Compatible for 20 x 4.0 20x4 20x4.5 E-Bike/Electric/Mountain Fat Bike Tires Tubes(E-002)
Brand: EXTREWIND
SKU: awhd-ca-b0fsx39k25
Price: 25.21 CAD
Availability: InStock

Brand: EXTREWIND

Condition: Used - Acceptable

$25²¹

$37⁹⁹

-34% Save $12⁷⁸

Updated: 21 days ago

Buy at Amazon.ca

Description

Diverse Compatibility：Fits fat tire 20"x4.0"-4.5" AV40mm Schrader Valve (100/114-406),Compatible Size 20x4.0 20x4 20x4.5 for E-Bike,Electric Bike,Mountain Bike

Durability upgrade:Made of high-quality butyl rubber，excellent resistance to ozone cracking, weathering, or aging, the tensile strength of the rubber is increased by 20%, durability by 10%, weight is reduced by 10%, and rolling resistance is decreased by 10%

Air tightness upgrade: The custom sidewall is thickened by 20%. The thickness upgrade makes it more difficult for air pressure to leak, and the tire pressure will be maintained for a longer time and more stably.

Even easier to inflatable: Customize extended 40mm schrader valve, common to the current models of wheels, inflatable convenience greatly increased

Package Contents: 2 pcs 20x4.0 AV40mm Schrader Valve heavy duty bike tubes

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Product Details

SKU:: awhd-ca-b0fsx39k25
Country:: CA
ASIN:: B0FSX39K25

Shopping Smarter

Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?

Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $13 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.

What's the difference between open-box and refurbished?

Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.

Why use OpenBoxFox?

Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for EXTREWIND products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.

Is it safe to buy refurbished?

Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.