Document ID: chunk:federal_register_of_legislation:F2018L01516:body:0:p5
Version: federal_register_of_legislation:F2018L01516
Segment Type: other
Provision Reference: 
Character Range: 15408–18279

(a) Class C1 tyres — tyres designed primarily for vehicles of categories M1 , N1, O1 and O2;
                  (b) Class C2 tyres — tyres designed primarily for vehicles of categories M2, M3, N, O3 and O4 with a load capacity index in single formation ≤ 121 and the speed category symbol ≥ 'N';
              2.2.1. "Type of tyre" means a range of tyres which do not differ in the following essential characteristics:
                  (a) The tyre class: C1 or C2, as described in paragraph 2.2.; and
                   (b) In the case of class C1 tyres, the characteristics of a type of pneumatic tyre as defined in paragraph 2.1. of Regulation No. 30;
                  (c) In the case of class C2 tyres, the characteristics of a type of pneumatic tyre as defined in paragraph 2.1. of Regulation No. 54.
              2.3. "Tyre size designation" means the designation as defined in paragraph 2.19. of Regulation No. 30 for class C1 tyres and paragraph 2.17. of Regulation No. 54 for class C2 and C3 tyres.
              2.4. "Wheel off-set" means the distance form the hub abutment face to the centre line of the rim.
              2.5. "Pneumatic tyre structure" means the technical characteristics of the tyre's carcass.
              2.6. "Normal tyre" means a tyre or run flat tyre intended for normal on-road use.
              2.7. "Snow tyre" means a tyre whose tread pattern, tread compound or structure is primarily designed to achieve in snow conditions a performance better than that of a normal tyre with regard to its ability to initiate or maintain vehicle motion."
              2.8. "Special use tyre" means a tyre intended for mixed use both on- and off-road or for other special duty. These tyres are primarily designed to initiate and maintain the vehicle in motion in off-road conditions."
              2.9. "Run flat tyre" means a tyre as defined in paragraph 2.5.7. of Regulation No. 30.
              2.10. "Temporary-use spare tyre" means a tyre different from a tyre intended to be fitted to any vehicle for normal driving conditions but intended only for temporary-use under restricted driving conditions.
              2.11. "Wheel" means a complete wheel consisting of a rim and a wheel disc.
              2.12. "Temporary-use spare wheel" means a wheel different from one of the normal wheels on the vehicle type but intended only for temporary use under restricted driving conditions.
              2.13. "Unit" means an assembly of a wheel and tyre.
              2.14. "Standard unit" means a unit which is capable of being fitted to the vehicle for normal operation.
              2.15. "Spare unit" means a unit which is intended to be exchanged for a standard unit in case of malfunction of the latter and may be either of the following.
              2.16. "Standard spare unit" means an assembly of a wheel and tyre identical in