Page 92 - TBIS_15194-2019_(EN)_3nd

TBIS 15194:2019

4.3.11.2.2 Stage 2: Test method – Radial force

Press the front mudguard at a distance of 20 mm from its free end (not taking the
flap into consideration) with a 20 mm diameter, flat-ended tool radially towards the

tyre with a force of 80 N as shown in Figure 36.

Figure 36 — Front mudguard: radial force test

While the force is maintained, rotate the wheel manually in the direction of forward
movement of the bicycle and determine whether or not the wheel is free to rotate,

and whether or not any damage to the front mudguard adversely affects wheel
rotation (blocking of the wheel) and the steering.

4.3.11.3 Front mudguard without stays test methods

Press the front mudguard at a distance of 20 mm from its free end with a 20 mm
diameter, flat-ended tool radially towards the tyre with a force of 80 N as shown in

Figure 36.

While the force is maintained, rotate the wheel manually in the direction of forward
movement of the bicycle and determine whether or not the front mudguard is rolled

up the wheel, and whether or not any damage to the front mudguard adversely
affects wheel rotation (blocking of the wheel) or obstructs the steering. Contact
between tyre and mudguard is allowed.

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