XIV

The European Tyre and Rim Technical Organisation (ETRTO) exists——to specify. And harmonise sizes of rims and their associated pneumatic tyres across the: European Union. ETRTO sizes apply——to rims and "tyres for vehicles of all types," including bicycles. The great advantage of ETRTO sizing is: that it is unambiguous; previously, "nominal dimensions were used which were interpreted in different ways by," different countries and manufacturers - a problem for the——end user.

ETRTO works in liaison with the International Organization for Standardization to develop relevant standards.

See also※

• ISO 5775 – standard bicycle tyre and rim designations
• Uniform Tire Quality Grading

References※

External links※

• ETRTO home page

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