Specialized CHISEL - Rear Derailleur Hanger

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5.5. REAR DERAILLEUR HANGER
All bicycle models are UDH (Universal Derailleur Hanger) compatible.
D
C
B
A
1
2
3
LH
1. Install the UDH hanger (A) into the frame dropout rotating it forward
until it’s completely seated (B) in the hanger pocket or contacts the
rotational stop tab.
The hanger must be completely seated in the hanger pocket or
against the frame stop tab when tightened to the specified torque.
2. Install the UDH washer (C), then thread the UDH bolt (D) through the
washer and into the hanger.
3. Using a reverse torque wrench and 8 mm hex bit, torque the bolt to
25Nm / 221 in-lbf. The UDH bolt is left-hand threaded.
E
4
4. Apply grease to the rear thru-axle (E) threads, then install the thru-
axle, conical washer and wheel. Using a torque wrench and 6 mm hex
bit, torque the thru-axle to 15 Nm / 133 in-lbf.
WARNING! Before your first ride and regularly thereafter, ensure
the thru-axle and UDH is torqued to specification, and that the
UDH has not moved. Thru-axles and the UDH can loosen over time
depending on the type and frequency of use. This is especially true
if they were not installed properly. Riding with a loose thru-axle or
UDH can result in a loss of control of the bicycle and can cause you
to fall.