Bosch Intuvia - Mechanical Drive System; Chain Drive Layout; Belt Drive Layout

MY22B01 - 12_1.0_26.08.2021
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Description
3.3.7 Mechanical drive system
The pedelec is driven by muscle power, just like a
bicycle.
The force which is applied by pedalling in the
direction of travel drives the front chain wheel.
The chain or belt transmits the force onto the rear
chain wheel and then onto the rear wheel.
Figure 25: Diagram of mechanical drive system
1 Direction of travel
2 Chain or belt
3 Rear chain wheel or belt pulley
4 Front chain wheel or belt pulley
5 Pedal
The pedelec is equipped with either a chain or belt
drive.
3.3.7.1 Chain drive layout
Figure 26: Chain drive with derailleur gears
1 Front derailleur
2 Rear derailleur
3Chain
A chain drive is compatible with:
• Back-pedal brake,
• Hub gear or
• Derailleur gears
3.3.7.2 Belt drive layout
Figure 27: Belt drive
1 Front belt pulley
2 Rear belt pulley
3Belt
A belt drive is compatible with:
• Back-pedal brake and
• Hub gear
A belt drive is not compatible with derailleur gears.
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