Product guide

Continental Race 28 700 x 20–25c Inner Tubes, 60mm Presta, 5-Pack

Continental Race 28 inner tubes are listed for 700c road bike wheels and tyre widths from 20c to 25c. This five-tube pack has a 60mm Presta valve and removable inner core, with listed fitment and valve details worth checking against your wheel and rim.

At a glance

Listed for 700c road bike wheels and tyre widths from 20c to 25c.
Each tube is described as having a 60mm Presta valve and removable inner core.
Five inner tubes are listed in the pack.

Price

$43.26Save 24%

Reference price: ~~$56.69~~

Price checked: 13 Nov 2026

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Often bought together

Continental(コンチネンタル) グランプリ5000 クリンチャー Grand Prix 5000 700x25C FB

$116.92

Pros and cons

Pros

Five tubes provide replacements for more than one puncture or bike service.
A 60mm Presta valve may suit rims that require a longer valve stem.
Removable inner cores allow access to the valve core.

Technical specifications

14 specifications

Identity
Brand	Continental
Model	181791

Fit and installation
Tyre size listed	700 x 20c - 25c
Wheel size listed	29 Inches
Item diameter listed	622 Millimeters
Compatible tyre width minimum	20 Millimeters
Compatible tyre width maximum	25 Centimeters
Valve type	Presta
Valve length	60 Millimeters
Bike type	Road Bike
Weight listed	605 Grams

Materials and protection
Material listed	Butyl Rubber

Pack details
Number of items	5
Included components	5 Inner Tubes

What to know before buying

Listing details to confirm

The listing title and feature text specify 60mm valves, while the product description names a 42mm valve. Fit width is written as 20–25c in the title and features, but the details give a maximum of 25 Centimeters. The details also list a 29-inch wheel and 622mm diameter alongside 700c wording. Confirm valve length and tyre compatibility for your specific setup before buying.

What’s in the box

Included

5 inner tubes

Who is it for?

A good fit for

Road-bike owners using 700c tyres in the listed 20c to 25c range.
Riders wanting a multi-tube replacement pack with Presta valves.

Less suited to

Riders whose tyre widths fall outside the stated 20c to 25c range.
Buyers who need a confirmed valve length without checking the listing discrepancy.

Customer reviews on Amazon

4.5 / 5 · 200 ratings

5 stars70%70%
4 stars22%22%
3 stars3%3%
2 stars2%2%
1 star3%3%

Customer feedback describes the tubes positively for quality, value and functionality, while durability feedback is mixed and includes a report of slow punctures. For riders whose tyre size and valve setup match the listing, those comments may help frame expectations, but they do not establish durability for every tube. The overall rating distribution is mostly in the four- and five-star categories, with a smaller spread of lower ratings.

Positive themes

Customers describe quality, value for money and functionality positively.

Negative themes

The feedback summary includes a report of slow punctures and mixed durability impressions.

Mixed feedback

Durability feedback is mixed.

Frequently asked questions

What tyre widths are these tubes listed for?

The title and feature text state 700c tyres from 20c to 25c. The technical details give a conflicting maximum in centimetres, so confirm the fit against your tyre.

Are the valves 60mm or 42mm?

The title and feature text specify 60mm Presta valves, but the product description says 42mm. Check the selected listing before purchase, especially if valve length matters for your rim.

How many tubes are included?

The included-components field lists 5 Inner Tubes.

Can the valve core be removed?

The feature text says the inner core is removable.