Page 78 - TBIS_15194-2019_(EN)_3nd

TBIS 15194:2019

Table 20 — Forces on loading attachment
Type MTB Racing Other type bicycles
Stage 1 ±650 ±620 ±500
Forces, F 6(N)
Stage 2 ±700 ±670 ±550

1 Pivoted force attachment
2 Rigid mount incorporating head bearings

Figure 28 — Front fork: bending fatigue test

4.3.8.7 Forks intended for use with hub-or disc-brakes

4.3.8.7.1 General

When a fork is intended for use with a hub-or disc-brake and whether supplied as

original equipment or as an accessory, the fork manufacturer shall provide an
attachment point on the fork-blade for the torque-arm or calliper.

In tests conducted by the methods described in 4.3.8.7.3 and 4.3.8.7.5 and where
more than one mounting-point is provided for a hub-or disc-brake, the following
shall apply:

a) Where a complete EPAC is supplied, the test adaptor shall be secured to the

mounting-point used on EPAC. If bracket will supplied, it shall be used to perform the
test;

b) Where a fork is supplied as an accessory with more than one mounting-point,
separate tests shall be conducted on each of the mounting-points on separate forks.

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