Bicycle tyres and rims - Tyre designations and dimensions Ingestion-build-177197 The dimensions are based on

The dimensions are based on cylinders for oxygen or for compressed air and other medical gases

the position of a manhole

see EN 1915-3 and EN 1915-4

BS 8579 for the design of balconies and terraces is useful for:

Bicycle tyres and rims - Tyre designations and dimensions Ingestion-build-177197 The dimensions are based on1 Scope This part of ISO 5775 specifies the designations and dimensions for the following pneumatic bicycle tyres: wired edge tyres mounted on straight side or crotchet type rims; beaded edge tyres mounted on hooked bead rims. Tubular sew up tyres and non pneumatic tyres are not covered by this part of ISO 5775.