Compatible with tires with an outer diameter of 12.5 inches or 12 inches and tire width between 1.75 inches and 2 1/4 inches.With 32mm Standard/Schrader/American Valve. Compatible with 12 1/2 x 1.75,12 1/2 x 1.90,12 x 1.75,12 x 1.90,12 x 2.00,12 1/2 x 2 1/4 or 47-203,50-203,54-203,62-203
Our cycling tubes are round cured to ensure uniform roundness and better reliability. Seamless construction to ensure uniform roundness. Prevents high-pressure blow-outs.
Dependable self-sealing bicycle tube. This Heavy-duty tube is heavier than others with nice thorn resistance. So leave your worries behind.
Thicker compared with the common tubes, which have outstanding performance in puncture resistance and endurance.
Made of high butyl rubber for better airtightness, heat resistance, and durability.Uses a highly airtight nozzle to prevent dust from entering and enhance durability.

2 Pack Heavy Duty Self Sealing Bike Tire Inner Tube Replacement with Better Puncture Resistant, Thorn Resistant Performance.

Suitable for Mountain, MTB, BMX, Road Race Bike and Cruiser, Junior Kids Bike.

Compatible with the following Tire Size:

Inches Tire Size:

12 1/2 x 1.75
12 1/2 x 1.90
12 x 1.75
12 x 1.90
12 x 2.00
12 1/2 x 2 1/4

ETRTO Tire Size:

47-203
50-203
54-203
62-203

Feature:

All tubes are round cured to ensure uniform roundness with better sealing performance, shock absorption.

Made of high butyl rubber with high air tightness and elasticity that allows a wide range of different tire sizes to be covered.

Thicker compared with the common tubes, which have outstanding performance in puncture resistance.

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