MY23P0a -52_1.0_11.10.2022
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Operation
4 Detach high-pressure damper pump.
5 Measure the distance between the fork crown
and the dust seal. This distance is total
deflection of the fork.
6 Push a cable tie attached temporarily
downwards against the dust seal.
7 Put on normal pedelec clothing (including
baggage).
8 Sit on the pedelec in your usual riding position
and support yourself against an object, such as
a wall or tree.
9 Get off the pedelec without it deflecting.
10 Measure distance between the dust seal and
the cable tie.
This measurement is the sag. The
recommended value is between 15% (hard)
and 30% (soft) of the total fork deflection.
11 Increase or reduce the filling pressure.
The required sag is attained.
12 Tighten the air valve cap onto the air valve
(fork) in a clockwise direction.
13 If you are unable to achieve the required sag,
the fork will need to be adjusted internally.
Contact specialist dealer.
Recommended air pressure [psi]
Body weight
[kg]
XCR 24" air
XCM-Jr.
Mobie25 air
GVX32
NRX-air
NCX-air
< 55 40… 55 40… 55 40… 55 40… 55 40… 55 40… 55
55… 65 … … 55… 65 55… 65 55… 65 55… 65
65… 75 … … 65… 75 65… 75 65… 75 65… 75
75… 85 … … 75… 85 75… 85 75… 85 75… 85
85… 95 … … 85… 100 85… 100 85… 100 85… 100
>95 … … +100 +100 +100 +100
Filling
pressure set in
the factory
50 50 100 110 85 80
Maximum
pressure
100 100 130 120 120 120
Maximum body
weight
[kg]
100 100 124 114 114 114
Table 60: SR SUNTOUR filling pressure table for the air fork
Adjusting preload internally
Only your specialist dealer may make an
internal adjustment to the preload.
The air volume spacers can be replaced on some
fork models. This changes the value for the centre
stroke and the bottom-out (bounce) resistance.
If the sag is set correctly and the deflection is
reached too easily, install one or more
spacers. This will increase the impact
resistance.
If the sag is set correctly and the full deflection
range is not used, remove one or more
spacers. Resistance to impact is reduced.
14 Check the sag.
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