1
INSTALLING THE ISOSPEED SEAT DECOUPLER AND SEAT MAST
Installing the seat mast
1. Apply grease to the bores of the seat mast as well
as the bores on the frame.
2. Insert the IsoSpeed axle into the seat mast as
shown.
3. Place a bearing and then a pivot locating washer
onto the pivot bolt. Repeat so you will have two
bolt assemblies. If you are re-using bolt, clean the
threads and apply Loctite 242
NOTE
The spacer gets installed between IsoSpeed seat mast
and IsoSpeed bearing inner bore.
4. Align the bore holes in the seat mast with the
opening in the frame.
5. Pass a pivot bolt assembly from Step 3 through the
bore [hole] and thread it into the IsoSpeed axle.
6. Insert a 6 mm hex wrench into the non-drive side
bore hole to hold the IsoSpeed axle mast pivot axle
steady (6a). Insert a 5mm hex wrench into the
pivot bolt and turn to engage the threads, do not
fully tighten.
mm
5
mm
6
6a
6b
4
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