EN 14766:2005 - 64_e_stf - Baltik vairas

EN 14766:2005 (E)4.7.7.4 Requirement for stage 2When tested by the method described in 4.7.7.5, there shall be no visible cracks or fractures in any part of thehandlebar and stem assembly.For carbon-fibre handlebars or stems, the peak deflection during the test in direction from the mean position shallnot increase by more than 20 % of the initial values.4.7.7.5 Test method for stage 2Apply fully-reversed forces of 450 N at a position 50 mm from the free end each side of the handlebar for100 000 cycles, with the forces at each end of the handlebar being in phase with each other and parallel to the axisof the handlebar stem as shown in Figure 25 b). The maximum test frequency shall be 25 Hz.4.8 Frames4.8.1 Suspension-frames – special requirementsThe design shall be such that if the spring or damper fails, the tyre shall not contact any part of the frame nor shallthe assembly carrying the rear wheel become detached from the rest of the frame.44