What is the maximum psi for this tube?

The maximum pressure or PSI is determined by the information on the sidewall of the tire and not on the inner tube. Hope this helps.

Does the same tube fit 38- 43c tire or are there seperate tube sizes in this listing? I dont see how to select the 700×38C that i need.

The same tube fits multiple wheels. I needed the 700x38C and this was a perfect fit. Just follow the instructions on the box.

Will this tube fit700x38c 28 x 1 5/8 x 1 1/2 ?

Yes, my bike is 28" and the tube worked great.

What is max inflation psi?

it's a pressure you should not exceed. Most tires will have this printed on the side wall. for bike tires it's normally 60 PSI, but you need to check the tire and tube.

700C Heavy Duty Bike Tubes 700x35C/38C/40C/43C AV48 Schrader Valve (35/43-622) 700C Bicycle Inner Tubes Compatible with 700x35C 700x36C 700x37C 700x38C 700x40C 700x42C 700x43C Bike Tire Tubes 2-PCS

Product ID: 273653021

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Details

Brand
YunSCM
Item diameter
622
Material
Butyl Rubber
Valve type
Schrader
Wheel size
29 Inches

⏳6-9 months air retention

🛡️40% thicker butyl rubber for durability

🚴‍♂️700C size fits 35-43mm tires

Description

🚴‍♀️ Ride Hard, Stay Smooth — The Ultimate Heavy-Duty Tube Upgrade!

SUPERIOR AIR RETENTION - Maintains optimal tire pressure for up to 9 months, drastically reducing inflation frequency and ensuring a safer ride.
HEAVY DUTY BUTYL RUBBER - Enhanced 40% thickness boosts puncture resistance and extends tube lifespan, saving you time and maintenance costs.
SHOCK ABSORBING COMFORT - Premium butyl rubber absorbs road vibrations and bumps, delivering a smoother, more comfortable cycling experience.
UNIVERSAL FIT FOR 700 C TIRES - Seamlessly compatible with tire widths from 35C to 43C, covering all your road, mountain, and e-bike needs.
EASY INSTALLATION RELIABLE VALVE - Equipped with a 48mm Schrader valve for quick, hassle-free setup and secure air sealing every time.

These 700C heavy-duty bike tubes, crafted from 40% thicker butyl rubber, offer exceptional puncture resistance and air retention for 6-9 months. Compatible with tire widths from 35C to 43C and featuring a 48mm Schrader valve, they provide enhanced shock absorption and durability, making them ideal for road, mountain, cruiser, and electric bikes. Upgrade your ride with tubes designed to reduce maintenance and maximize comfort.

Specifications

ASIN	B08K42N6Q9
Best Sellers Rank	#18,563 in Sporting Goods ( See Top 100 in Sporting Goods ) #99 in Bike Tubes
Bike Type	Road Bike
Brand	YunSCM
Brand Name	YunSCM
Compatible Tire Width Maximum	43 Centimeters
Compatible Tire Width Minimum	35 Millimeters
Country of Publication	China
Customer Reviews	4.4 out of 5 stars 3,264 Reviews
Included Components	bike tube
Item Diameter	622 Millimeters
Item Type Name	bike tube
Item Weight	0.58 Kilograms
Item Width	43 Centimeters
Item diameter	622 Millimeters
Item width	43 Centimeters
Manufacturer	YunSCM
Material	Butyl Rubber
Material Type	Butyl Rubber
UPC	750139075362
Valve Length	48 Millimeters
Valve Type	Schrader
Valve type	Schrader
Warranty Description	NO
Wheel Size	29 Inches
Wheel size	29 Inches

Reviews

E**Y

Good buy

1.02.2026

L**Y

Arrived quickly already repaired my tyre

28.12.2024

E**N

Ich bin vollkommen zufrieden

Alles hervorragend

4.02.2026

C**S

Buen estado y sin problema hasta la fecha

Cambié la cámara sin problema y por ahora todo bien.

21.01.2026

C**D

Chambre à air épaisse

Conforme aux attentes

1.02.2026

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