Can I put these into tubeless tyres?

Yes they can be used in tubeless tyres if you wish to use a tube

Are these inner tubes suitable for 700 x 20/ 28

28 yes, range covered 25-32. I'd say too big for 20.

The photos show a schrader valve not a presta valve. Can you clarify the valve type and length?

The inner tube is available in both valve options with the Presta being a standard 45mm valve though 60mm and 80 mm options are available in presta.Steve

Is the inner core removable and how do I specify the length of the presta valve (a previous answer says there are options)?

I think the core is removable. The presta valve needs to clear the rim by approx. 30mm so you can connect the pump on. If you have a pump with the flexi end that screws on, this is not as critical. You need a longer valve if you have wheels with an more aero design. 60mm should cover most applications. Should you have to use the new tube, you can measure the length of the old valve!

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Continental Race 28 (700c) x 25/32C Presta Valve Inner Tube

Product ID: 48145678

Details

Brand
Continental
Item diameter
697
Material
Rubber
Valve type
Presta
Wheel size
28 Inches

📏42mm Presta valve length

⚖️Lightweight 139g design

🚴‍♂️Fits 25-32C tires

2081 kr

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Description

🚴‍♀️ Ride Ready, Race Ready – Never Miss a Mile!

PREMIUM PRESTA VALVE - 42mm valve length for easy inflation and compatibility with high-performance pumps.
LIGHTWEIGHT ADVANTAGE - At just 139 grams, it keeps your bike agile without compromising toughness.
DURABILITY YOU CAN TRUST - Mould-cured and vulcanised for uniform roundness, enhancing strength and puncture resistance.
GERMAN ENGINEERING EXCELLENCE - Crafted in Germany by Continental, a leader in cycling innovation and reliability.
PRECISION FIT FOR PERFORMANCE - Optimized for 700c road tires from 25 to 32C, ensuring a perfect seal and smooth ride.

The Continental Race 28 Inner Tube is a high-quality, lightweight replacement tube designed for 700c road bike wheels with tire widths from 25 to 32C. Featuring a 42mm Presta valve, it offers easy inflation and reliable performance. Mould-cured and vulcanised for uniform roundness, this tube delivers enhanced durability and strength, making it a trusted choice for serious cyclists seeking German-engineered precision and long-lasting reliability.

Specifications

ASIN	B008ZTM95C
Best Sellers Rank	10,566 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 128 in Cycling Tubes
Bike Type	Road Bike
Brand Name	Continental
Compatible Tire Width Maximum	32 Centimetres
Compatible Tire Width Minimum	25 Inches
Country Of Origin	Germany
Customer Reviews	4.5 4.5 out of 5 stars (5,264)
EU Spare Part Availability Duration	2 Years
Global Trade Identification Number	04019238556858
Included Components	no
Item Diameter	697 Millimetres
Item Type Name	Continental R28 Training Presta Inner Tube - Black, 700C x 25 - 32 C/42mm
Item Weight	4.94 Ounces
Item Width	25 Millimetres
Manufacturer	Continental
Manufacturer Part Number	TUC81921
Manufacturer Warranty Description	producer
Material Type	Rubber
Model Number	0181921
Number of Items	1
Size	700C x 25 - 32 C/ 42mm
Unit Count	1.0 count
Valve Length	42 Millimetres
Valve Type	Presta
Wheel Size	28 Inches

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2081 kr

Duties & taxes included

In stock

Sold byAmazon IcelandDelivered 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 Iceland.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

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