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Deze ingrepen zijn eenvoudig voor iedereen met interesse in fietsen. Voor deze workshop heb je geen gereedschap nodig, of slechts een inbussleutel, tangetje of schroevendraaier. In deze categorie vind je vooral hoe je aanpassingen moet doen op je fiets.
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Adjusting of ProPedal and BoostValve

ProPedal damping affects the initial part of the compression stroke and is designed to control annoying pedal-induced suspension bob. ProPedal doesn’t block the shock entirely and the entire range of travel is always available to the rider.

This is how you adjust ProPedal :

Using the blue lever you can switch the ProPedal system on and off. Picture 1 Picture 2

Using the blue adjusting knob you can adjust the intensity of the ProPedal function. Picture 3 Pull out the knob and turn it in the desired direction while the ProPedal function is switched on. Only turn the knob when the bike is stationary and not while riding.

There are 3 levels of adjustment on ProPedal. The level of intensity you select depends on the ground you are riding on and your weight. The heavier the rider and the rougher the terrain, the higher the level of intensity ProPedal should be.

On easy and medium tough terrain you can use the following guide lines:

Rider weight <85kg: Low ProPedal intensity
Rider weight 85-95kg: Medium ProPedal intensity
Rider weight >95kg: High ProPedal intensity
Der RP2 does not have these adjustment options.

Boost Valve adjustment

On Fox RP2, RP23, DHX 4.0 and DHX Air 5.0 shocks there is a Boost Valve function. This dynamic form of damping depends on how far the shock is compressed. The further the shock compresses, the greater is the effect of the rebound in absorbing shocks. Slighter shocks are absorbed with less pressure, harder shocks with greater pressure. This function is also active when the ProPedal function is switched on and acts as bottom out protection for your shock.

The Boost Valve function is regulated via the air pressure of the shock or Piggy-Back. A firmer ride is achieved with higher pressure and a softer ride with lower pressure. In the case of the DHX 4.0 and DHX 5.0 you can, with the help of a shock pump, adjust the air pressure in the Boost Valve. At the rear on the Piggy-Back there is a valve. There you can regulate the air pressure in the Boost Valve using a shock or fork pump.


Highest and lowest air pressure in the BoostValve-chamber

DHX 4.0: 8.62-15.51 Bar
DHX Air 5.0: 8.62-15.51 Bar

The Boost Valve on the RP23 and RP2 can only be changed by the FOX service center.

The air pressure should be high enough to prevent the damper from bottoming out but not exceed the maximum air pressure.


Canyon streeft voortdurend naar behoud van kwaliteit en nauwkeurigheid van de informatie die zich bevindt in het Technical Support Center. Reparaties of aanpassingen die je aan je eigen fiets doet zijn volledig op eigen risico. Als je twijfelt over wat te doen, kun je het beste contact op nemen met het Canyon Servicecentrum. Canyon geeft geen garantie en accepteert geen aansprakelijkheid voor de informatie die zich bevindt in het Technical Support Center.


Picture 1: ProPedal on the Fox RP 23 damper

Picture 1: ProPedal on the Fox RP 23 damper

Picture 2: Switching off ProPedal function on the Fox DHX 5.0 Air damper

Picture 2: Switching off ProPedal function on the Fox DHX 5.0 Air damper

Picture 3: Setting the strength nf the ProPedal of the Fox RP 23 damper

Picture 3: Setting the strength nf the ProPedal of the Fox RP 23 damper

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