12
3. TROUBLE SHOOTING
Issue Reason Solution
Freewheel is blocked Spacer was forgotten during
assembly.
Check correct assembly, see “2.1
Overview”, page 5.
Spacer was compressed by
overtightening the thru axle.
Measure the length of the spacer.
If the spacer is shorter than 10.7
mm, it must be replaced.
Freewheel does not engage
/ slips
Loose ratchet is mounted
upside down.
Check correct assembly, see “2.1
Overview”, page 5.
Too much or wrong grease on
the ratchets.
Clean and grease the ratchets.
Ratchets are worn. Replace ratchets.
Spring was forgotten during
assembly.
Check correct assembly, see “2.1
Overview”, page 5.
Wear of the internal teeth of
the freewheel body
Replace loose ratchet, replace
freewheel body. Thoroughly clean
the freewheel system.
Hub has axial play Ball bearings were not
mounted correctly.
Check correct assembly, see “2.1
Overview”, page 5.
Ball bearings are worn out. Replace ball bearings.
Hub rotates stify Ball bearings are worn out. Replace ball bearings.
Ball bearing non drive side
too tight.
Check correct assembly, see “2.1
Overview”, page 5.
Mounting sequence of the ball
bearings not observed.
Ball bearing pressed too far
into the threaded ratchet
before assembly.
Hub makes noise Ball bearings are worn out. Replace ball bearings.
Notches from the cassette
on the freewheel body.
The steel cassette works
itself into the alloy web of the
freewheel body.
Remove bad notches from the
rotor using a le.
Freewheel body rotates with
difculty.
Ball bearings in the freewheel
body are worn out.
Replace freewheel body.
Freewheel is too noisy / too
quiet.
The perception of the freewheel sound is very subjective. While
some riders prefer a loud freewheel sound, other riders want
a quiet freewheel. In principle, the freewheeling sound can be
inuenced by the amount of grease between the ratchets. Less
grease increases the freewheeling sound, but at the same time
leads to higher wear. Too much grease, on the other hand, can
impair the freewheeling function.
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