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🚴♀️ Ride Longer, Ride Stronger — Never Miss a Mile!
The YunSCM 2PCS 700C Heavy Duty Bike Tubes are engineered for the modern cyclist demanding durability and performance. Compatible with tire widths from 35mm to 43mm, these 28-inch butyl rubber tubes feature a 40% thicker wall and 200% better air retention than standard tubes. Designed to withstand heavy loads and rough terrain, they provide superior puncture resistance and shock absorption, making them ideal for road, mountain, cruiser, and e-bikes. Each pack includes two Schrader valve tubes with 48mm stems, combining reliability with easy installation for a seamless riding experience.






| ASIN | B08K42N6Q9 |
| Best Sellers Rank | 10,506 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 127 in Cycling Tubes |
| Bike Type | Road Bike |
| Brand | YunSCM |
| Brand Name | YunSCM |
| Compatible Tire Width Maximum | 43 Centimetres |
| Compatible Tire Width Minimum | 35 Millimetres |
| Country Of Origin | China |
| Customer Reviews | 4.4 out of 5 stars 3,407 Reviews |
| Included Components | 700x35/43c Bike Inner Tube (2PCS) |
| Item Diameter | 622 Millimetres |
| Item Width | 43 Millimetres |
| Item diameter | 622 Millimetres |
| Item width | 43 Millimetres |
| Manufacturer | YunSCM |
| Manufacturer Part Number | YunSCM2020092602 |
| Material | Butyl Rubber |
| Material Type | Butyl Rubber |
| Model Number | 700x35/43c |
| Size | 28 inches / 700x35-43c |
| UPC | 750139075362 |
| Valve Length | 48 Millimetres |
| Valve Type | Schrader |
| Valve type | Schrader |
| Wheel Size | 29 Inches |
| Wheel size | 29 Inches |
A**R
perfick
no problems with inner tubes.
E**O
Fits perfectly and good quality 700/35
Fits perfectly and good quality 700/35
S**N
Hubby was happy
Giving these another try as the last flat was caused because of the valve seperating from the inner tube , did not over fill and there was no puncture in tube or sharp in tyre
J**R
Very useful
Good quality inner tubes and easy to fit to bike
G**N
Good thick rires
Much thicker then the ones I had put in at the bike shop
A**T
Bike inner tube
Arrived on time item as described
M**E
Decent quality at a good price - size is correct.
Managed to navigate the confusing multiple systems for describing tyre size, and ordered these. The tube is labelled much as the original tube was, and appears to be of good quality. Diameter is perfect. but cross sectional area is much smaller than the old tube. I assume that the old tube has stretched over the years and installed the new one. Early days, but the tyre is fully inflated a week later.
I**N
failed at valve stem after 24 hours
returned for refund; correctly and carefully fitted one - failed after 24h at valve stem
K**R
Great inner tubes
Gets the job done. Replaced my inner tubes after a few years of use which I should have done much earlier. I've had them for a few months now and haven't needed to pump the tyres at all. Previous ones kept passively leaking after a few punctures which I had to repump every few rides.
A**R
Buen servicio
Buena calidad
G**A
Value for money
Good quality. value for the money. fit perfect. Easy to install. Works perfect
C**N
chambres a air
top livraison rapide et chambrea air de bonne qualité
田**一
買って良かった!
すぐ届きました!
Trustpilot
4 days ago
1 week ago