Home > All Products > Bike Accessories > Bike Valve > CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options

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CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options

Name: CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options
Brand: DJC Bikes - DJC Components
SKU: CST Butyl / Light
Price: 11.94 USD
Availability: InStock

$11.94 ~~$16.57~~

-28%

CST butyl inner tubes for selected small-wheel bicycle sizes, with size-specific valve lengths and Standard or Light versions. One tube per selection.

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Tube Specification:

12.5x1.75x2.25 Schrader32 Standard

12.5x2.25 Schrader32 Standard

14x1.35 Schrader32 Standard

14x1.75 Schrader32 Standard

14x1.90-2.125 Schrader32 Standard

14x1.90-2.125 Schrader48 Standard

16x1.50-1.75 Schrader32 Standard

16x1.90-2.125 Schrader32 Standard

16x1.90-2.125 Schrader48 Standard

20x1.35 Schrader48 Standard

20x1.35 Presta34 Standard

20x1.35 Presta48 Standard

20x1.35 Presta60 Standard

20x1-1/8 Schrader48 Standard 451

20x1-1/8 Schrader48 Light 451

20x1-1/8 Presta48 Standard 451

20x1-1/8 Presta60 Standard 451

20x1-3/8 Schrader32 Standard 451

20x1-3/8 Presta48 Standard 451

20x1.50-1.75 Schrader32 Standard

20x1.50-1.75 Schrader32 Light

20x1.90-2.125 Schrader32 Light

20x1.90-2.125 Schrader48 Light

20x1.90-2.125 Presta48 Light

20x1.35 Schrader32 Standard

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Specifications
Warranty FAQ

Butyl tubes for small bicycle wheels

CST butyl rubber inner tubes for selected 12.5, 14, 16 and 20 inch small-wheel bicycle tire sizes. Choose the exact width, valve type, valve length and Standard or Light version listed in the option. Each selection supplies one inner tube, not a multi-size bundle. These are inner tubes; no outer tire is included.

Exact size and width selection

Available families include 12.5x 1.75x 2.25, 12.5x 2.25, 14x 1.35, 14x 1.75, 14x 1.90-2.125, 16x 1.50-1.75, 16x 1.90-2.125, 20x 1.35, 20x 1.50-1.75 and selected 20x 1.90-2.125 Light tubes. The 20x 1-1/8 and 20x 1-3/8 fractional-size options are identified as 451 in the supplier selections. Match the printed tire and rim specification; fractional and decimal size names are not interchangeable.

Schrader and Presta valve choices

Schrader options use the selected 32mm or 48mm stem. Presta options use 34mm, 48mm or 60mm depending on tube size. Match the valve type to the rim hole, then choose enough exposed stem for the rim depth and pump connection. The valve comparison is a reference; not every combination exists in every tube size. No 80mm valve is offered in this listing.

Standard and Light versions

Light identifies the supplier lightweight CST packaging and corresponding product option. Standard and Light remain separate selections even when tire size and valve length match. Compare each option photograph for the actual box and valve. Packaging style may vary; the selected tube specification controls the order. No universal percentage weight saving or fixed air-retention period is promised.

Approximate product weights

Individual supplier option photographs list approximate tube weights. The selected Standard or Light version may have a different weight even at the same nominal size. Refer to the exact option image for the matching gram value and valve length. These product weights are distinct from the final shipping weight.

Check the tube before installation

Add only a little air to give the tube shape and check for leaks, using water if needed. Inspect the inside of the outer tire for sharp objects and confirm that rim tape covers spoke holes. Keep the tube untwisted, position the valve correctly, and make sure no section is trapped under the tire bead before final inflation.

Inflation and fitting guidance

A tube outside the tire is unrestrained and can expand unevenly or appear larger than the rim. This is not a reliable sizing method. Avoid overinflating outside the tire. Fit the tube inside the correctly sized outer tire, check bead seating and use the tire and rim inflation limits. The illustrated damaged tube shows pinch or tear damage to avoid.

What is included

One selected CST butyl inner tube with its corresponding valve and supplier packaging. Valve comparison photos, wheels, outer tires, tools, water basin and other demonstration equipment are not included. Ordinary 20x 1.90-2.125 Standard Schrader 32/48mm options are already available in the existing CST tube product and are excluded from this new selection.

Installation demonstration video

The video uses larger-wheel tube and tire examples to explain reading size markings, choosing a valve, inspecting for leaks and fitting a butyl tube. It is a general installation reference, not an additional offered wheel size or an exact specification for every small-wheel option.

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 16

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 17

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 20

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 21

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 22

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 23

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 24

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 25

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 26

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 27

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 28

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 29

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 30

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 31

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 32

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 33

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 34

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 35

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 36

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 37

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 38

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 39

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 40

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 42

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 44

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 45

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 46

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 97

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 98

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 99

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 100

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 102

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 104

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 112

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 113

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 114

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 115

CST Butyl Bicycle Inner Tubes for 12.5, 14, 16 and 20 Inch Small Wheels with Schrader or Presta Valves, Standard and Light Options - detail 117

All Taxes & Duties Included • Fast Delivery (8–12 Days) • No Hidden Fees • 6-Month Warranty

1 How long is the warranty?
We offer 6 months limited warranty to all products because of the quality defects. We offer lifetime payable repair service after the warranty.

2 Do need to pay tax duty when package arrive my country?
You no need to pay tax when package arrive your country, most countries in the world no need pay.
USA aslo no need tax duty and tariff, our carrier will cover it.

Brazil, Chile, Columbia clients need pay import duty when package arrive your country.

3 Can I return the goods if I am not like it?
Yes you can apply return and refund when you receive the product within 7 days. But as return shipping fee is relatively high when send back to China, so we suggest you consider and carefully before purchase.

Or you can send message to us and discuss technical issues to clarify if the products is what you need, and then pay after you sure your order is correct.

4 How long is the shipping time?
To most countries 7-15days can arrive your address. Pay extra 20USD if want ship by Fedex DHL UPS.

5 How can I know the tracking number?
We will send the tracking code to your email automatically after we send the package. check the track update here https://www.17track.net/en

Support email info@djcbikes.com

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