ULIP inner tube with 20 × 4.0 and 3.50-16 markings
The wide ULIP inner tube features a straight Schrader valve and double sizing: 20 × 4.0 / 3.50-16. It is designed for the corresponding tire and rim of wide wheel assemblies.
Features and fitment
- Model: ENGWE L20.
- ULIP 20 × 4.0 / 3.50-16; straight Schrader valve.
Approximate dimensions
- Outer tube diameter: 565 mm.
- Inner tube diameter: 408 mm.
- Tube width: 80.9 mm.
- Valve length: 30 mm.
The straight valve is approximately 30 mm long. Before selecting, compare the full sizing designation on the old tube and tire and check valve access after installing the wheel.
Replacement without pinching the tube
- Before replacing, check the tire or rim for the cause of the puncture. Debris, a sharp edge, or a damaged rim tape can immediately damage the new inner tube as well.
- Inflate the inner tube slightly, align the valve with the opening, and distribute it evenly inside the tire. When seating the bead, do not pinch the tube with tire levers.
- Inflate to the pressure permitted for the wheel assembly. Check the valve position and for any leaks; do not use the valve cap to stop a leak.
Spare parts for ENGWE
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ULIP Superior Metal brake pads for ENGWE Engine Pro 2.0 – ZOOM shape
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Adjustable kickstand for Engwe electric bike – 24–29 inches
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Chaoyang 20 × 4.0/4.9 inner tube for ENGWE Engine Pro 2.0 electric bike
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Rear brake cable for ENGWE EP-2 Pro (203 cm)
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Battery cover with lock and handle for ENGWE EP-2 Pro
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Charger 54.6 V 2 A with Xiaomi connector for ENGWE EP-2 Pro electric bike
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Chaoyang 20 × 4.0/4.9 inner tube for ENGWE Engine X electric bike
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ULIP 20 × 4.0 tire with TH751 tread for ENGWE L20
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ULIP 20 × 4.0 tire with TH751 profile for ENGWE X20
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Why choose EVOLT?
Tržaška cesta 222, 1000 Ljubljana
Our showroom in Vič, Ljubljana, offers 200 m² of space, bringing sales, servicing and spare parts together in one place.
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In stock in Ljubljana
EVOLT is a specialized provider of spare parts for electric scooters, e-bikes and other electric vehicles.
Discover a wide range of quality spare parts and components in stock in Slovenia with fast delivery in 1–2 working days.
We offer reliable supply for both end customers and business partners, workshops and retailers – with options for retail and wholesale.
