YeYouC 14x3.0 Heavy-Duty Inner Tube (2-Pack) with CR202 Bent Valve — Thickened Butyl, Double-Layer Puncture Resistance

YeYouC 14x3.0 heavy-duty inner tube is a reinforced butyl rubber replacement (2-pack) designed for 14" x 3.0" tires on e-bikes, scooters, mopeds, choppers and folding bikes, featuring a CR202 bent valve stem for easier inflation and superior air retention.

These replacement tubes are engineered to fit wheels with a 14-inch outer diameter and 3.0-inch tire width, and are built thicker than standard tubes for improved puncture resistance and ride comfort. Made from heavy-duty butyl rubber with precision vulcanization and double-layered walls, they prioritize longer air retention and better vibration damping. Each pack contains two tubes and two valve caps; the bent valve stem simplifies filling on smaller rims and folded frames.

Will these tubes fit my 14-inch e-bike or scooter wheel?

They are intended for tires listed as 14 x 3.0, which commonly appear on electric scooters, compact e-bikes, choppers and folding models. The inner diameter that pairs with a 14 x 3.0 tire can vary by rim type, so confirming your current tube markings is recommended before purchase.

• Fits tires labeled 14 x 3.0 (outer diameter 14", width 3.0").
• Compatible with many 14" e-bikes, scooters, mopeds and folding bikes.
• Check existing tube size to confirm rim compatibility.

How durable and puncture-resistant are these inner tubes?

YeYouC tubes are manufactured from heavy-duty butyl rubber and made approximately four times thicker than standard OEM tubes, increasing resistance to punctures and wear. Reinforced double-layer walls and precise vulcanization reduce leak points and extend service life compared with natural rubber alternatives.

• Thicker butyl construction for improved durability.
• Double-layered walls to minimize seam leaks and abrasions.
• Precision vulcanization improves uniformity and longevity.

Will the CR202 bent valve stem make inflation easier?

The included CR202 bent valve stem is angled to give better access on rims with tight or recessed valve holes, which is common on compact and folding bike wheels. Bent stems reduce the need to remove wheel components for inflation and help prevent damage to the valve during use.

• Angled CR202 valve simplifies pump attachment in tight spaces.
• Includes valve caps to keep dirt out and protect threads.
• Valve orientation helps when rims or frames obstruct straight valves.

How long will these tubes hold air and how can I check them before install?

Butyl rubber offers far better air retention than natural rubber, and YeYouC’s reinforced construction aims to keep air longer between fills. Before installation, submerge the inflated tube in water to inspect for bubbles; any bubbling indicates a leak and qualifies the item for refund or replacement.

• Butyl rubber construction for superior air retention.
• Simple water test identifies leaks prior to installation.
• Seller offers refund or free replacement for defective tubes.

Who is this for: Riders who use compact electric bikes, scooters, mopeds, chopper-style or folding bikes and need a durable, easy-to-inflate 14 x 3.0 inner tube. This two-pack suits commuters, urban riders and anyone seeking a thicker, longer-lasting replacement tube with a convenient bent valve stem for tighter wheel setups. If you want stronger puncture resistance and better air retention than stock tubes, YeYouC’s heavy-duty 14x3.0 set is a practical upgrade.