DT SWISS RATCHET EXP OS Manuel technique - Page 19

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DT SWISS RATCHET EXP OS Manuel technique

3. TROUBLE SHOOTING

Issue

Freewheel is blocked

Freewheel does not engage

/ slips

Hub has axial play

Hub rotates stiffly

Hub makes noise

Notches from the cassette

on the freewheel body.

Freewheel body rotates with

difficulty.

Freewheel is too noisy / too

quiet.

Reason

Spacer was forgotten during

assembly.

Spacer was compressed by

overtightening the thru axle.

Loose ratchet is mounted

upside down.

Too much or wrong grease on

the ratchets.

Ratchets are worn.

Spring was forgotten during

assembly.

Ball bearings were not

mounted correctly.

Ball bearings are worn out.

Ball bearing non drive side

too tight.

Mounting sequence of the ball

bearings not observed.

Ball bearing pressed too far

into the threaded ratchet

before assembly.

Ball bearings are worn out.

The steel cassette works itself

into the web of the freewheel

body.

Ball bearings in the freewheel

body are worn out.

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

influenced by the amount of grease between the ratchets. Less

grease increases the freewheeling sound, but at the same time

leads to higher wear.

Ratchet EXP - Technical Manual

Solution