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🛞 Upgrade your e-bike’s backbone with tubes that outlast the ride!
These Heavy Duty 20x4 E-Bike Tubes feature 40% thicker butyl rubber for superior puncture resistance and 200% better air retention, ensuring longer-lasting performance. Compatible with 20-inch fat tires (3.5 to 4.0 width), they deliver enhanced shock absorption and durability, reducing maintenance frequency and elevating your electric bike’s ride quality.










| ASIN | B08Y8MVG2D |
| Best Sellers Rank | #4,381 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #24 in Bike Tubes |
| Bike Type | Electric bicycle |
| Brand Name | YunSCM |
| Compatible Tire Width Maximum | 10.2 centimeters |
| Compatible Tire Width Minimum | 8.9 centimeters |
| Customer Reviews | 4.5 4.5 out of 5 stars (2,139) |
| Included Components | 2 pcs 20x3.5/4.0 AV32mm Schrader Valve heavy duty ebike tubes |
| Item Diameter | 4 inches |
| Item Highlight | 20" Bike Inner Tubes Compatible with Ebikes & Electric Bicycle & Mountain Bikes & Street Bicycle Fat Tubes Schrader Valve |
| Item Type Name | 20x3.5/4.0 |
| Item Weight | 0.97 kg |
| Item Width | 4 inches |
| Manufacturer | YunSCM20210306120 |
| Manufacturer Part Number | YunSCM20210306120 |
| Material Type | Butyl Rubber |
| Model Number | GGG120 |
| Number of Items | 2 |
| Size | 20x3.5/4.0 |
| UPC | 750139075553 |
| Valve Length | 1.57 inches |
| Valve Type | Schrader |
| Warranty Description | 180 days |
| Wheel Size | 20 inches |
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