Standardization in the field of cycles and their functions, their components and accessories with particular reference to terminology, testing methods and requirements for performance, safety, interchangeability and maintenance..

Excluded :

  • chains and tooth profile;
  • tyres, rims and valves;
  • toy cycles.


"Cycle" means any vehicle which has at least two wheels and is propelled purely or partially by the muscular energy of the person(s) on that vehicle, in particular by means of pedaling or the possibility of adding assistance (e.g. provided by electric motor) when pedaling. Pedaling also refers to use of hand- cranks. or other similar devices.

Quick links

published ISO standards *

related to the TC and its SCs

of which10 under the direct responsibility of ISO/TC 149

ISO standards under development *

related to the TC and its SCs

Participating members
Observing members

* number includes updates

Reference Title Type
ISO/TC 149/SC 1 Cycles and major sub-assemblies Sub committee
Liaison Committees to ISO/TC 149

The committees below can access the documents of ISO/TC 149:

Reference Title ISO/IEC
ISO/TC 1 Screw threads ISO
ISO/TC 31 Tyres, rims and valves ISO
ISO/TC 31/SC 10 Cycle, moped, motorcycle tyres and rims ISO


Liaison Committees from ISO/TC 149

ISO/TC 149 can access the documents of the committees below:

Reference Title ISO/IEC
ISO/TC 31/SC 10 Cycle, moped, motorcycle tyres and rims ISO


Organizations in liaison (Category A and B)
Acronym Title Category
EC - European Commission European Commission B
UNECE United Nations Economic Commission for Europe B
WCO World Customs Organization B

Date Month Location TC/SC Note
27 September 2022 Virtual ISO/TC 149/SC 1  
29 September 2022 Virtual ISO/TC 149  

* Information definite but meeting not yet formally convened
** Provisional

ISO/TC 149 - Secretariat

DIN [Germany]

DIN Deutsches Institut für Normung e.V.
Am DIN-Platz, Burggrafenstraße 6
D-10787 Berlin

Tel: +49 30 2601-0
Fax: +49 30 26 01 12 31