Are the valve cores removable?

No, the valve cores are not removable. These are the Presta Valves.

Where's my sticker? This is twice now I bought these tubes and when I get them guess what, no stickers.

I didn't get any stickers either....

How do u pump them up

I use a hand pump that can be used with either European or American valve stems.

Can this be used with 25mm tires or only 28?

I use these for my 25mm and 32 mm bike tires.

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Race 28" Wide 700 x 25-32c Bicycle Inner Tubes - 42mm Presta Valve Road Bike Tube

Product ID: 392135862

Details

Brand
Continental
Item Diameter
28 inches
Material
Butyl Rubber
Valve Type
Presta
Wheel Size
62.2

📏Fits 700x25-32c tires perfectly

🛡️Durable butyl rubber resists punctures

🚴‍♂️42mm Presta valve for optimal rim fit

171.87 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

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Description

🚴‍♀️ Ride Ready, Leak Proof, and Ahead of the Pack!

PRECISION VALVE FIT - 42mm Presta valve engineered for rims up to 30mm deep, ensuring seamless compatibility with most road bike wheels.
UNMATCHED DURABILITY - Crafted from high-grade butyl rubber, these tubes offer superior puncture resistance and long-lasting performance on every ride.
SEAMLESS CONSTRUCTION - Vulcanized and mold-cured for uniform roundness, guaranteeing smooth handling and consistent air retention.
READY TO RIDE VALUE PACK - Includes 2 tubes per pack, so you’re always prepared for the unexpected—because downtime is not an option.
OPTIMIZED TIRE COMPATIBILITY - Designed specifically for 700x25-32c tires, delivering a snug fit that enhances ride stability and reduces flat risks.

The Continental Race 28" Bicycle Inner Tubes feature a 42mm Presta valve tailored for rims up to 30mm deep, crafted from durable butyl rubber with seamless vulcanized construction for uniform roundness. Designed for 700x25-32c tires, these tubes provide reliable air retention, puncture resistance, and come in a convenient 2-pack with a 2-year warranty—perfect for serious road cyclists demanding performance and peace of mind.

Specifications

ASIN	B09M4BX2HR
Best Sellers Rank	#1,040 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #7 in Bike Tubes
Bike Type	Road Bike
Brand Name	Continental
Compatible Tire Width Maximum	1.26 inches
Compatible Tire Width Minimum	0.98 inches
Customer Reviews	4.6 4.6 out of 5 stars (1,825)
Included Components	2x Continental Tubes, Presta Valve
Item Diameter	28 inches
Item Type Name	bicycle tube
Item Width	28 millimeters
Manufacturer	Continental
Manufacturer Part Number	2x 0181921
Material Type	Butyl Rubber
Model Number	2x 0181921
Number of Items	2
Size	700 x 25 - 32mm
Unit Count	2 Count
Valve Length	1.65 inches
Valve Type	Presta
Warranty Description	2 Year Limited Warranty
Wheel Size	62.2 centimeters

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TrustScore 4.5 | 7,300+ reviews

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171.87 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

View all Trustpilot reviews