Page 63 - TBIS_15194-2019_(EN)_3nd

TBIS 15194:2019

Table 13 — Drop heights and distribution of masses at seat post,
steering head, and bottom bracket
seat post, M1 , kg 30

steering head, M2, kg 10
bottom bracket, Stage 1 50
M3, kg Stag e 2 68

Drop height, h2 , mm 300

4.3.7.3.3.2 Stage 2 Frame and front fork assembly — Impact test (falling frame)

With the frame and front fork assembly mounted as in 4.3.7.3.3.1, increase the 20%
of total weight for each kind of bike at M3 (see Table 13)and impact twice.

1 Wheelbase
2 Permanent deformation
3 Mass 1（M 1）
4 Mass 2（M 2）
5 Mass 3（M 3）
6 Rigid mounting for rear axle attachment point
7 Steel anvil
Figure 20 — Frame and front fork assembly: impact test (falling frame)

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