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YunSCM 2-PCS 12/12.5" Heavy Duty Bike Tubes 12/12.5x1.75/2.25(12 1/2 X 2 1/4) ETRTO 45/57-203 AV32 Schrader Valve Compatible with 12x1.75-2.25 12.5x1.75-2.25 12 ½ x 2 ¼ Road/MTB Bike Tyre Tubes

YunSCM 2-PCS 12/12.5" Heavy Duty Bike Tubes 12/12.5x1.75/2.25(12 1/2 X 2 1/4) ETRTO 45/57-203 AV32 Schrader Valve Compatible with 12x1.75-2.25 12.5x1.75-2.25 12 ½ x 2 ¼ Road/MTB Bike Tyre Tubes

Name: YunSCM 2-PCS 12/12.5" Heavy Duty Bike Tubes 12/12.5x1.75/2.25(12 1/2 X 2 1/4) ETRTO 45/57-203 AV32 Schrader Valve Compatible with 12x1.75-2.25
Brand: Yunscm
Price: 5651.00 ISK
Availability: InStock
Rating: 4.5 (8 reviews)

Product ID: 395784961

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Details

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

💪40% thicker butyl rubber

🚲12/12.5" size fit

⏱️200% better air retention

Frequently Bought Together

2-Pcs 12"/12.5" Heavy Duty Bike Tubes 12/12.5x1.75/2.25(12 1/2 X 2 1/4) AV Premium Butyl Rubber Inner Tubes Compatible with 12x1.75-2.25 12.5x1.75-2.25 12 ½ x 2 ¼ Bike Tire Tubes Schrader Valve

Bell Standard and Self Sealing Bike Tubes

16'' x 1.5/1.75/1.95/2.125 Back Wheel Replacement Inner Tubes (2-Pack) Compatible with Graco Click/Go Jogging/BoB Revolution SE/Pro/Flex/SU - Made from BPA/Latex Free Butyl Rubber

Description

🚴‍♂️ Ride tougher, ride longer — never miss a beat with YunSCM heavy-duty tubes!

BUILT TO ENDURE - 40% thicker butyl and EPDM rubber construction delivers ultra-durable, heavy-duty puncture resistance for longer rides and fewer replacements.
STAY INFLATED LONGER - Enhanced air tightness boosts inflation retention by 200%, reducing maintenance and keeping your ride smooth and safe.
EFFORTLESS INSTALLATION - Designed for quick, hassle-free fitting with clear valve positioning—get back on the road faster and stress-free.
SHOCK ABSORPTION MASTERY - Heavy-duty butyl rubber absorbs bumps and vibrations, transforming rough trails into comfortable journeys.
PRECISION FIT FOR VERSATILITY - Compatible with a wide range of 12/12.5" tires from 1.75 to 2.25 inches, ensuring seamless upgrades or replacements.

YunSCM 2-PCS heavy-duty bike tubes are engineered for 12 to 12.5-inch mountain bike tires, featuring 40% thicker butyl rubber for superior puncture resistance and 200% improved air retention. These tubes offer excellent shock absorption and easy installation, making them the ultimate upgrade for riders seeking durability, comfort, and reliability on every ride.

Specifications

Bike type	Mountain Bike
Color	Black
Size	2 Count (Pack of 1)
Material type	Butyl Rubber
Number of items	1
Wheel size	12.5 Inches
Batteries included?	No
Brand	YunSCM
Manufacturer	YunSCM
Item model number	GGG029
Package Dimensions	10.6 x 9.5 x 6.6 cm; 230 g
ASIN	B07S314SJY

Reviews

A**2

Easy fit!

Great inner tubes - easy to fit into running buggy ☺️

8.05.2025

M**N

Brilliant

Good quality tubes, went on really easy

22.04.2025

H**S

Mountain buggy

Bought for a mountain buggy pram. Worked well

15.09.2024

A**E

Inner tubes

Exactly as described look good quality and delivered on time

7.07.2024

K**R

very good

easy to fit.

16.04.2024

B**V

Quick delivery, did the job

Quick delivery, good quality, perfect replacements inner tubes, did the job

17.08.2023

L**L

Good product

Spot on

12.08.2023

A**A

Bought it for a pram’s wheel

Save your money. It deflated after first use.

8.03.2023

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