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🚴♂️ Upgrade your ride with unstoppable durability and comfort!
The 45/57-406 Heavy Duty 20" Bike Tubes are crafted from 40% thicker butyl rubber with a 32mm Schrader valve, compatible with a wide range of 20" tire widths (1.75" to 2.25"). Offering 200% better air retention and superior shock absorption, these tubes deliver enhanced puncture resistance and longer-lasting performance, ideal for mountain, road, cruiser, and electric bikes.






| Asin | B07S37JGDT |
| Best Sellers Rank | 2,933 in Sports & Outdoors (See Top 100 in Sports & Outdoors) 27 in Cycling Tubes |
| Bike Type | Mountain Bike |
| Brand Name | YunSCM |
| Compatible Tire Width Maximum | 2.13 Inches |
| Compatible Tire Width Minimum | 175 Millimetres |
| Country Of Origin | China |
| Customer Reviews | 4.6 4.6 out of 5 stars (3,659) 4.6 out of 5 stars |
| Included Components | 2PCS heavy duty bike tubes 20X1.75/2.25 inch AV32mm Schrader Valve |
| Item Diameter | 20 Inches |
| Item Highlight | 20" Bike Tubes Compatible with 20x1.75/1.95/2.0/2.10/2.125/2.25 City/Road/MTB Bike Tyre Tubes |
| Item Type Name | 20x1.75/2.25 |
| Item Weight | 0.4 Kilograms |
| Item Width | 1.75 Inches |
| Manufacturer | YunSCM |
| Manufacturer Part Number | YYinGG034 |
| Material Type | Butyl Rubber |
| Model Number | 20x1.75/2.25 |
| Number Of Items | 1 |
| Size | 2 Count (Pack of 1) |
| Upc | 723990286178 |
| Valve Length | 32 Millimetres |
| Valve Type | Schrader |
| Wheel Size | 20 Inches |
User
Don't buy this amazing product on amazon
Don't buy this item through Amazon as their drivers don't seem to understand what a secure location is and iv had multiple items stolen. inner tube are fire tho, good durability and great price 👌
User
YunSCM Heavy duty Bike Tubes
Strong and study, very reliable
User
Quality and value for money
You can’t go wrong with these100% worth theMoney
User
YunSCM 20" Inner Tube
So far so good. The inner tube is solid and heavyweight, it fills the tyre as required and is as advertised. Easily inflates with compressor or handpump, and pretty good value when buying multiple products.
User
Good quality tubes
Good quality
User
Recommended seller
Recommended seller.My son does BMX competitions and had done his tyre going over something. Seller dispatched same day and arrived In time for next days race.You can feel the difference. Good quality fits really well. And very good value will be using again.
User
Yer
Very good. Turned up when said.
User
Good value for money
Working perfectly so far, looks well built and the heavy duty feature should protect against punctures.
User
Excellent!
Excellent! These have held up where others did not!
User
Super Ersatz für Thule Chariot
Wir haben die Schläuche als Ersatz für einen kaputten Schlauch an unserem Thule Chariot gekauft. Sie passen wunderbar und der Wechsel war schnell und problemlos erledigt. Seitdem funktioniert alles wieder einwandfrei. 😊Klare Empfehlung – würden wir wieder kaufen!
User
Hood product
Arrived fast product as advertised
User
Manufacturing defect
Small hole ie slow puncture found on valve cylinder where rubber ends before the metal thread for the cap. Hard to repair if not impossible. I'll bought another brand to replace this faulty inner tube.
User
Ottimi
Ottimi
Trustpilot
2 weeks ago
2 months ago