Wilbers shock absorber - Bobber - Type 643 Competition
Product information "Wilbers shock absorber - Bobber - Type 643 Competition"
Wilbers high-end shock absorber with compression & rebound adjustment for Triumph Bobber
The Triumph Bobber models are clearly too hard ex works and have a very poorly responding shock absorber.
This, in combination with the very short spring travel due to the design, makes for uncomfortable riding behaviour.
For this reason, anyone who rides their bobber a lot and values comfort should fit a decent shock absorber.
If you want an absolute high-end shock absorber that can be customised even further, Wilbers Competition shock absorbers are just the thing for you.
The shock absorber is customised to your weight and delivered with a perfect fit.
The shock absorbers come with ABE for your motorbike (so they do not have to be registered with the TÜV).
About the shock absorber
The Wilbers Type 643 Competition QS shock absorber is a high-quality high-end shock absorber with all adjustment/individualisation options:
The Wilbers Type 643 Competition QS shock absorber is a high-quality high-end shock absorber with all adjustment/individualisation options:
- Compression adjustment (in high & low speed)
- Rebound adjustment
- Equalising reservoir
The spring preload (which is of course preset to suit) is infinitely adjustable.
The rebound and compression stages can be adjusted in 22 clicks using the rotary knob.
Radial pistons, wet-running guide & Teflon-guided self-aligning bearings ensure a fine response behaviour.
Hydraulic spring preload (Wilbers-PA)
The hydraulic Wilbers PA allows you to adjust the spring preload very quickly and conveniently. This allows you to adjust the suspension very easily, e.g. for luggage payload or pillion operation.
A vehicle-specific bracket for the adjuster is included.
The adjustment can be adjusted by 10 mm with the PA.

- Rebound adjustment
- Equalising reservoir
The spring preload (which is of course preset to suit) is infinitely adjustable.
The rebound and compression stages can be adjusted in 22 clicks using the rotary knob.
Radial pistons, wet-running guide & Teflon-guided self-aligning bearings ensure a fine response behaviour.
Hydraulic spring preload (Wilbers-PA)
The hydraulic Wilbers PA allows you to adjust the spring preload very quickly and conveniently. This allows you to adjust the suspension very easily, e.g. for luggage payload or pillion operation.
A vehicle-specific bracket for the adjuster is included.
The adjustment can be adjusted by 10 mm with the PA.

Customised to you
In order to be able to customise the shock absorber perfectly for you, we need the following information from you (please simply enter this in the comments field at the end of the ordering process)
Delivery time therefore approx. 14 - 19 working days
Delivery time therefore approx. 14 - 19 working days
- Rider weight - (with motorbike clothing)
- Luggage weight
We only recommend that you take this into account if you regularly ride in pairs. Otherwise, we advise you to adjust the shock absorber perfectly for solo operation, as a shock absorber can only be optimally adjusted to one weight. - % Proportion of frequency WITH luggage
- Setting of the shock absorber: Comfortable / Standard (our recommendation) / Sporty
- Purpose: Race track / road / off-road
Classicbike-Raisch tip / accessories
- If you want an all-round good suspension on your Bobber, we recommend having a Cartidge installed in the fork (see accessory products below the product description)
- Many Bobber riders complain that the footrests touch down too early. We offer a suspension lift for the shock absorber or a complete kit consisting of several parts. Both also work in combination with the Wilbers shock absorber. See accessories below the description.
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