Page 47 - TBIS_15194-2019_(EN)_3nd

TBIS 15194:2019

4.3.6 Steering

4.3.6.1 Handlebar – Dimensions

djust the handlebar height to its highest normal riding position and the saddle to its
lowest normal riding position as specified by the manufacturer (see 6 i)). Measure
the vertical distance from the centre and top of the handlebar grips to a point where
the saddle surface is intersected by the seat post axis (see Figure 9). This dimension

shall not exceed 400 mm.

h

h: Vertical distance

Figure 9 — Vertical distance between the handlebar grips and the seat surface

4.3.6.2 Handlebar grips and plugs

4.3.6.2.1 Requirements

The ends of the handlebar shall be fitted with handgrips or end plugs. When tested
by the method described in 4.3.6.2.2 and 4.3.6.2.3, the handgrips or plugs shall

withstand the specified removal forces.

4.3.6.2.2 Freezing test method

Immerse the handlebar, with handlebar grips or plugs fitted, in water at room
temperature for one hour and then place the handlebar in a freezer until the
handlebar is at a temperature lower than −5 °C. Remove the handlebar from the
freezer and allow the temperature of the handlebar to reach −5 °C, and then apply a

force of 70 N to the grip or plug in the loosening direction as shown in Figure 10.
Maintain the force until the temperature of the handlebar has reached +5 °C.

It shall be permitted to create a hole in the plug to allow for the testing fixture to be

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