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TBIS 15194:2019
4.3.15.6.5 Test method for stage 2 (static strength test)
A seat post shall be inserted to the minimum insertion depth in a suitable fixture
with a representative seat collar and clamped to the manufacturers recommended
torque. The seat post shall be fixed at an angle of 73° from horizontal, as shown in
Figure 53.
A force of F4 shall be exerted vertically on the saddle clamp for duration of 1 min.
The displacement at the loading point shall be constantly monitored during testing.
The forces are given in Table 33.
Table 33 — Forces on seat-post
Force in N
Force, F 4 2000
1 Minimum insertion-depth mark
Figure 53 — Seat-post: static strength test
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