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

Excluded :

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


"Cycle" means any vehicle which has at least two wheels and is propelled solely or mainly by the muscular energy of the persons on that vehicle, in particular by means of pedals or hand-cranks.

Quick links


published ISO standards *

related to the TC and its SCs

of which 10 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

ISO/TC 149 - Secretariat

DIN Germany
DIN Deutsches Institut für Normung e.V.
Saatwinkler Damm 42/43
D-13627 Berlin

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

Secretariat direct:
Mr Michael Gäbel
Tel: +49 30 2601-2182
Fax: +49 30 2601-42182