UCI CYCLING REGULATIONS  spokes; spokes can be round, flattened or oval, as far as no dimension of their sections  exceeds 10 mm. In order to be granted approval wheels must have been subjected to the Vertical Drop  Test which consists of:  Test method: Vertical Drop Test  Energy level:  Vertical drop test (neutralization of the rebound of the anvil)  40 Joules  Impact striker geometry:  Impact mass:  Hitting point:  Flat steel anvil, the impact surface is covered with a silicone rubber pad of 20mm  thickness (Hardness Shore A=50 +/- 5, Compression set of 40% acc. To ASTM D395  Methode B). The rubber pad requires to be undamaged.  Range of 6 – 10 kg  Energy must always remain at 40 Joules at the hit with a +/- 5% tolerance. -  One hit at 90° from valve hole, adjusted to have the impact point of anvil between  the spokes  In order to be certified as passed, the alloy and/or carbon wheels shall have -  No visible cracks or delamination  -  No change in lateral profile or in lateral run out in excess of 1.0mm  -  No change in radial profile or in radial run out in excess of 1.0mm  Wheels which meet the definition of traditional wheels do not need to be certified.  Definition of Traditional wheels:  Criteria: Rim height: Less than 25 mm Rim material: Alloy Spokes: Minimum of 20 steel spokes which are detachable General: All components must be identifiable and commercially available  In track competition, including motor-pacing, the use of a front disc wheel is only  permitted in the specialities against the clock.  Notwithstanding this article, the choice and use of wheels remains subject to articles  1.3.001 to 1.3.003.  (text modified on 01.01.02; 01.01.03; 01.09.03; 01.01.05; 01.07.10; 01.10.13; 01.01.16,  25.06.19)  b) Weight c) Configuration  1.3.019 The weight of the bicycle cannot be less than 6.8 kilograms.  E0221  GENERAL ORGANISATION OF CYCLING AS A SPORT  62 