Page 7 - TBIS_79010-2019_(EN)_1nd

TBIS 79010:2019

3. Terms and definitions

The terms and the definitions given in TBIS 79010 apply.

3.1 cycle

vehicle that has at least two wheels and is propelled solely or mainly by the muscular
energy of the person on that vehicle, in particular by means of pedals.

3.2 city and trekking bicycle

bicycle designed for use on public roads primarily for means of transportation or
leisure.

3.3 mountain-bicycle

bicycle designed for use off-road on rough terrain, on public roads and on public

pathways equipped with a suitably strengthened frame and other components, and,
typically, with wide-section tyres with coarse tread patterns and a wide range of
transmission gears.

3.4 fully assembled bicycle

bicycle fitted with all the components necessary for its intended use.

3.5 brake-lever

lever that operates a braking device.

3.6 disc-brake

brake in which pads are used to grip the lateral faces of a thin disc attached to or
incorporated in the wheel-hub.

3.7 braking distance

distance travelled by a bicycle between the commencement of braking (3.18) and
the point at which the bicycle comes to rest.

3.8 braking force F Br
tangential rearward force between the tyre and the ground or the tyre and the drum

or belt of the test machine.

3.9 commencement of braking

point on the test track or test machine at which the brake actuating device operated
directly by the riders hand or foot or by a test mechanism starts to move from its
rest position.

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