Description
034-11401_1.0_24.08.2017
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4.3.2 Suspension
A suspension fork has two functions which improve the
floor contact and the comfort: the suspension and the
damping.
Illustration 7: Bicycle without suspension (1) and with suspension (2) when
riding over an obstacle
The suspension prevents an impact, e.g. caused by a
stone lying in the way, from being directed directly into the
rider's body via the fork. Instead, it is absorbed by the
suspension system. This causes the suspension fork to
compress. The compression can be disabled so that a
suspension fork reacts like a rigid fork.
The compressed suspension fork then returns to its
original position. The damper decelerates the movement
and thus prevents the suspension system from springing
back in an uncontrolled manner, and the fork from
oscillating up and down.
Dampers which dampen the compressive deflection
movements, i.e. the compression load, are called
compression dampers or dashpots. Their operational
parts are blue.
Dampers which dampen the rebound deflection
movements, i.e. the rebound load, are called rebound
dampers or dashpots. Their operational parts are red.
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