Page 86 - TBIS_15194-2019_(EN)_3nd
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TBIS 15194:2019
recommended on the rim or the tyre.
In the case of a rear wheel, apply the force from the sprocket side of the wheel as
shown in Figure 32.
Repeat the above measurement once between two spokes.
Table 25 — Forces on rim
Force in N
Type city and young adult mountain-bicycle racing-bicycle
trekking bicycle bicycle
Force, F 250 250 370 250
1 Clamping fixture
2 Wheel/tyre assembly
3 Drive sprokets
Figure 32－Wheel/tyre assembly – Static strength test
4.3.9.4 Wheels – Wheel retention
4.3.9.4.1 General
Wheel retention safety is related to the combination of wheel, retention device, and
drop-out design.
Wheels shall be secured to EPAC frame and fork such that when adjusted to the
manufacturer's instructions they comply with 4.3.9.4.2, 4.3.9.4.3 and 4.3.9.5.
Wheel nuts shall have a minimum removal torque of 70 % of the manufacturer's
recommended tightening torque.
Where quick-release axle devices are used they shall comply with4.3.9.5.
4.3.9.4.2 Wheel retention – Retention devices secured
4.3.9.4.2.1 Requirement
When tested by the method described in 4.3.9.4.2.2, there shall be no relative
motion between the axle and the front fork/frame.
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