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CST Inner Tube 12.5 x 1.75 - 2 1/4 Presta Valve 40mm

CST Inner Tube 12.5 x 1.75 - 2 1/4 Presta Valve 40mm
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CST Inner Tube 12.5 x 1.75 - 2 1/4 Presta Valve 40mm

Product Model:165879
EAN Code 6933882568334
€ 6,95
€ 5,80
In Stock +/- 2 Business Days
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Product Information

Suitable for tyres in sizes (inch):
10 x 2, 10 x 15/8, 11 x 13/4 12 1/2 x 1.75 , 12 1/2 x 1.90

Suitable for tires in sizes (Etrto):
44-194, 47-222, 47-203

The inside is just as important as the outside.

CST
Technical Specifications


INCH: 12 1/2 x 2 1/4
Valve Type: Presta 40 mm
Category: Inner Tube
Brand: Cheng Shin Tire
Type: 12

Brand: CST
Group: Inner Tube
Size: 121/2X21/4-210
Category: 070103
Specifications: SV 40MM - Presta Valve
Article Packaging: Per Piece

Supplier Info

Cheng Shin Tire (CST) is the largest bicycle tire manufacturer in the world, employing over 25,000 people, and offers a wide range of other bicycle products as well. Distributing to over 150 countries, the CST product range includes tires and inner tubes for road bikes, mountain bikes, e-bikes and children’s bikes.

CST has production sites in Xiamen, China, and its operation boasts world-class manufacturing equipment, innovative technology and a strong emphasis on quality, delivery and customer satisfaction.

CST meets the most stringent of international quality standards and posesses the necessary certificates and recognitions, including the DoT (US Department of Transportation) certification, ISO 9002, Emark, TS 16949, and the Best-Known Brand in China qualification. CTS knows how to capitalize on a first-class production process and highly efficient logistical processes, setting high standards for the whole tire industry.

Quality, integrity and service are more than just words for CST: they’re the foundation the company was built on. 

Size Chart

Hollandbikeshop.com Tire Chart

Which tire fits which rim?

The so-called ETRTO size (European Tire and Rim Technical Organisation) consists of two numbers: the first is the width of the tire in millimeters and the second is the diameter of the tire in millimeters. City bikes usually have tire size 37-622: a 37 mm width and a 622 mm diameter. The tire width must match the rim width. The following chart shows possible combinations of tire widths and rim widths according to ETRTO.

General ETRTO

Tire Sizing Chart

Inches

ETRTO

Inch Sizes

French (mm)

7"

47-93

 

7 x 13/4

 

8"

47-94

20 x 47-50
8 x 2

 

50-94

200 x 50

 

54-110

81/2 x 21/
81/2 x 2

 

32-137

 

10 x 2
10 x 11/4

 

10"

54-152
44-194

 

10 x 2
10 x 15/8

 

11"

47-222

 

11 x 13/4

 

12"

47-203

121/2 x 1.75
121/2 x 1.90

 

50-203

12 x 2.00

 

54-203

12 x 1.95

 

57-203

121/2 x 21/4 R

 

62-203

 

121/2 x 21/4

 

32-239

 

121/2 x 13/8 x 11/4

300 x 32A

57-239

 

121/2 x 21/4

300 x 55A

14"

57-251

 

141/2 x 21/4

300 x 55A

47-254

14 x 1.75
14 x 1.90

 

50-254

14 x 2.00

 

40-279

 

14 x 11/2

350 x 38B

37-288

 

14 x 15/8 x 13/8

350A, 350A Confort
350A Ballon, 350A 1/2 Ballon
350 x 32A

40-288

 

14 x 15/8

350 x 38A

44-288

 

14 x 15/8 x 13/8

350A
350 x 42A

32-298

 

14 x 11/4

350A
350 x 32A

16"

40-305

16 x 1.50

 

47-305

16 x 1.75
16 x 1.90

 

50-305

16 x 2.00

 

54-305

16 x 1.95
16 x 2.00

 

57-305

16 x 2.125

 

40-330

 

16 x 1 1/2

400 x 38B

28-340

 

400 x 30A

32-340

 

16 x 1 3/8 x 1 1/4

400A
400 x 32A

37-340

 

16 x 1 3/8

400 35A
400A Confort
400A Ballon
400A 1/2 Ballon

44-340

 

16 x 1 5/8

 

28-349

 

16 x 1 1/8

 

32-349

16 x 1 1/4 NL

 

35-349

16 x 1.35

 

37-349

 

16 x 1 3/8

 

17"

32-357

 

17 x 1 1/4

 

32-369

 

17 x 1 1/4

 

18"

28-355

 

18 x 1 1/8

 

35-355

18 x 1.35

 

40-355

18 x 1.50

 

47-355

18 x 1.75
18 x 1.90

 

50-355

18 x 2.00

 

37-387

 

18 x 1 3/8

 

40-387

 

18 x 1 1/2

 

28-390

 

18 x 1 1/8

450 x 28A
450A

37-390

 

18 x 1 3/8

450 x 35A
450A
450A Confort
450A Ballon
450A 1/2 Ballon

55-390

 

450 x 55A

57-390

 

450 x 55A
450A

37-400

 

18 x 1 3/8

 

20"

54-400

20 x 2 x 1 3/
20 x 2 F 4J

 

28-406

 

20 x 1 1/8

 

32-406

20 x 1.25

 

35-406

20 x 1.35

 

37-406

 

20 x 1 3/8

 

40-406

20 x 1.50

 

42-406

20 x 1.60

 

44-406

20 x 1.625

 

47-406

20 x 1.75
20 x 1.90

 

50-406

20 x 2.00

 

54-406

20 x 2.00

 

57-406

20 x 2.125

 

60-406

20 x 2.35

 

54-428

20 x 2.00

 

40-432

 

20 x 1 1/2

 

37-438

 

20 x 1 3/8

500A

40-438

 

20 x 1 3/8 x 1 1/2

500 x 38A

28-440

 

500 x 28A
500A
500A Standard

37-440

 

500 x 35A
500A Confort
500A Ballon
500A 1/2 Ballon

40-440

20 x 1 1/2 NL

500 x 38A

28-451

 

20 x 1 1/8

 

37-451

20 x 1 3/8 B.S.

 

22"

44-484

 

22 x 1 5/8 x 1 1/2

 

25-489

22 x 1.00

 

37-489

22 x 1 3/8 NL

 

40-489

 

22 x 1 3/8 x 1 1/2

 

50-489

22 x 2.00

 

28-490

 

550 x 28A
550A
550A Standard

32-490

 

22 x 1 3/8 x 1 1/4

550 x 32A
550A

37-490

 

22 x 1 3/8

550 x 35A
550A Confort
550A Ballon
550A 1/2 Ballon

37-498

 

22 x 1 3/8 x 1 1/4

 

32-501

 

22 x 1 1/4

 

37-501

 

22 x 1 3/8

 

24"

40-507

24 x 1.50

 

44-507

24 x 1.625
24 x 1.75

 

47-507

24 x 1.75
24 x 1.85/1.90

 

49-507

24 x 1.85

 

50-507

24 x 1.90/2.00
24 x 2.00
24 x 2.125

 

54-507

24 x 2.10

 

57-507

24 x 2.125
24 x 2.00

 

60-507

24 x 2.35

 

62-507

24 x 2.40

 

23-520

 

24 x 7/8

 

44-531

 

24 x 1 5/8 x 1 1/2

 

40-534

 

24 x 1 1/2

 

25-540

24 x 1.00

 

32-540

 

24 x 1 3/8 x 1 1/4> 
24 x 1 3/8

 

37-540

 

24 x 1 3/8

 

40-540

 

24 x 1 3/8 x 1 1/2

 

22-541

 

 

25-541

 

600 x 25A

28-541

 

600 x 28A
600A
600A Standard

32-541

24 x 1 3/8 x 1 1/4 NL

600 x 32A

37-541

 

600 x 35A
600A Confort
600A Ballon
600A 1/2 Ballon

25"

57-520

25 x 2.25

 

26"

25-559

26 x 1.00

 

28-559

26 x 1.10

 

35-559

26 x 1.35

 

37-559

26 x 1 5/8 x 1 3/8
26 x 1.40

 

40-559

26 x 1.50

 

42-559

26 x 1.60

 

44-559

26 x 1.625
26 x 1.50/1.75

 

47-559

26 x 1.75
26 x 1.85/1.90

 

50-559

26 x 1.90
26 x 1.95
26 x 1.90/2.00
26 x 2.00/2.10

 

54-559

26 x 1.95
26 x 2.10
26 x 2.125

 

57-559

26 x 2.125

 

57-559

26 x 2.20/2.25

 

60-559

26 x 2.35

 

62-559

26 x 2.40
26 x 2.50

 

20-571

 

26 x 3/4

650 x 20C

23-571

 

26 x 7/8

650 x 22C

40-571

 

26 x 11/2 CS
26 x 13/8 x 11/2 NL
26 x 15/8 x 11/2

650 x 35C
650 x 38C

47-571

26 x 13/4
650 CS Confort

650 x 45C

54-571

 

26 x 2 x 13/4

650 x 50C

28-584

 

26 x 11/8 x 11/2

650 x 28B

32-584

 

650 x 32B

35-584

 

26 x 13/8 x 11/2

650 x 35B
650B Standard

37-584

 

26 x 11/2 x 13/8
26 x 11/2

650 x 35B

40-584

 

26 x 15/8 x 11/2
26 x 11/2

650 x 35B
650 x 38B

44-584

 

26 x 15/8 x 11/2

650 x 42B
650B Semi-Confort
650B 1/2 Ballon

54-584

26 x 11/2 x 2

 

20-590

 

650 x 20A

25-590

 

26 x 11/8 x 11/4
26 x 13/8 x 11/8 - 11/4

650 x 25A

28-590

 

26 x 11/8

650 x 28A

32-590

 

26 x 11/4
26 x 13/8 x 11/4

650 x 32A

35-590

 

26 x 13/8

650 x 35A

37-590

 

26 x 13/8

650 x 35A
650A

40-590

 

26 x 1.50
26 x 13/8 x 11/2

650 x 38A

44-590

 

 

32-597

 

26 x 11/4

 

27"

40-609

 

27 x 11/2

 

20-630

 

27 x 3/4

 

22-630

 

27 x 7/8

 

25-630

 

27 x 1.00
27 x 11/16

 

28-630

 

27 x 11/8
27 x 11/4 Fifty
27 x 11/4

 

32-630

 

27 x 11/4

 

28/32-630

 

27 x 11/4

 

35-630

 

27 x 13/8

 

28"

18-622

 

28 x 3/4

700 x 18C

19-622

 

700 x 19C

20-622

 

28 x 3/4

700 x 20C

22-622

 

28 x 7 / 8

700 x 22C

23-622

 

28 x 7 /8

700 x 23C

 

CST
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