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2-PCS Heavy Duty 20x1.75/1.95/2.125/2.25 Bike Tubes Presta Valve (Removable Valve) RFV40mm 45/57-406 Compatible with 20 x 1.75 20x1.90 20 x 1.95 20x2.0 20x2.10 20 x 2.125 20 x 2.25 Bike Tire Tubes
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Grade
Analysis Confidence
59%
Price verified Sep 28, 2026 3:28 PM · Prices & availability subject to change
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📝 Product Overview
🏪 Sold by
YUNSCM
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Heavy Duty inner tube: 20"x1.75"/2.25" RFV40mm (45/57-406) Heavy duty bicycle replacement inner tube, these inner tubes are ideal for a wide range of applications. Enhanced the ductility of the heavy load tire, so that 20x1.75, 20x1.90, 20x1.95, 20x2.0, 20x2.10, 20x2.125, 20x2.25 tires
✓Excellent shock absorption ability: The heavy, strong, highly durable butyl rubber made from these inner tubes is a perfect shock absorber to reduce vibration and eliminate the shock caused by bumps and rough surfaces on the road or pavement. Heavy Duty butyl rubber for maximum ride comfort - upgrade your ride experience.
✓HEAVY DUTY - Air Tightness: Using high elasticity and high quality butyl rubber and EPDM rubber, the thickness is increased by 40%, and the air tightness of the inner tube is increased by 200% than that of the ordinary butyl inner tube; After inflation, the tire can maintain a higher air pressure for 6-9 months, greatly reducing the inflation frequency. Good air tightness helps keep tire pressure stable, thus improving driving safety.
✓HEAVY DUTY- Ultra Durable: Our heavy duty inner tubes have higher puncture resistance than ordinary inner tubes, and the thicker body can withstand more friction and wear, thus extending the service life of the tube, reducing replacement frequency and maintenance costs. And in long-term use.
✓This heavy duty inner tube is compatible with the corresponding models of mountain bikes, road bikes, Cruiser bikes, electric bikes; At the same time, the increase in thickness can meet the needs of the longer driving range and load of the prevailing electric bicycles.
✓Installation: 20"x1.75"/2.25" bicycle heavy duty replacement inner tube for easy installation and removal. Check the valve position to ensure that the installation direction is correct.
✓Tip: Before installing the inner tube, please put the inner tube into the water for inspection, if there are bubbles, it means that it has been damaged, you can contact us. Check the valve position to ensure that the installation direction is correct. Note: The inflatable inner tube should avoid puncture by sharp objects.
✓Important Note: The valve core is pre-installed loosely to facilitate tire sealant injection. If you do not plan to add sealant, please use a wrench to tighten the valve core securely before inflating the tire to prevent it from dislodging.
⚙️ Specifications
Brand
YunSCM
Valve Type
Presta
Material
Butyl Rubber
Wheel Size
20 inches
Item Diameter
20 inches
Brand Name
YunSCM
Number of Items
2
Manufacturer
YunSCM
Included Components
NO
Model Number
20 pollice Camere d'aria
Manufacturer Part Number
YunSCM2021071905