19
B
A
drive unit
bottom bracket
B
A
fixed holder
2-M6 screw
A
A
B
B
C
C
M8 screw(dedicated BB)
Put the fixed holder on the bottom bracket. Fasten it with M6 screw. Tightening torque: 10 N.m
Dedicated: fasten it with M8 screw. Tightening torque: 20 N.m
DEALER MANUAL
HD DRIVE SYSTEM
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Dedicated bottom bracket internal hole, machining it toΦ33.6mm
Assemble the drive unit from right side of bike frame into bottom bracket.
Dedicated
Normal
B
B
A
A