









🛠️ Ride tougher, ride longer — never compromise on your journey!
YunSCM2-PCS 20" Heavy Duty Bike Tubes are engineered with 40% thicker butyl rubber and EPDM for enhanced puncture resistance and air retention. Compatible with 20x1.50 to 1.90 tires and equipped with a 32mm Schrader valve, these tubes maintain tire pressure for 6-9 months, delivering superior shock absorption and durability across mountain, road, cruiser, and electric bikes.






| Brand | YunSCM | 
| Valve Type | Schrader | 
| Material | Butyl Rubber | 
| Wheel Size | 20 Inches | 
| Item Diameter | 20 Inches | 
| Item Width | 1.5 Inches | 
| UPC | 781509355289 741802888426 | 
| Compatible Tire Width Minimum | 38 Millimeters | 
| Valve Length | 32 Centimeters | 
| Manufacturer | YunSCM | 
| Size | 20x1.50/1.90 | 
| Compatible Tire Width Maximum | 1.9 Inches | 
| Item Package Dimensions L x W x H | 6.42 x 6.14 x 1.81 inches | 
| Package Weight | 0.38 Kilograms | 
| Brand Name | YunSCM | 
| Model Name | 20x1.50/1.90 | 
| Color | Black | 
| Part Number | YunSCM2020072101 | 
| Model Year | 2023 | 
| Included Components | 2 pcs 20x1.50/1.90 AV32mm Schrader Valve heavy duty bike tubes | 
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