Isospeed Seat Decoupler And Seat Mast; How It Works - Trek Domanee 2017 Service Manual

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ISOSPEED SEAT DECOUPLER AND SEAT MAST

TOOLS AND MATERIALS REQUIRED:
• 4 mm Hex wrench
• 5 mm Hex Wrench
• 6 mm Hex Wrench
K Rear IsoSpeed cover drive side
L Pivot bolt
M Bearing
N Pivot locating washer
O Rear IsoSpeed cover non drive side
P Nut
Q Flat washer
R Button head screw
S Curved washer
T Spring lock washer
U Cap screw
BB Adjustable seatmast bumper
CC IsoSpeed seat mast pivot axle
DD Seat mast
EE Adjustable seatmast slider

How it works

High position
As the adjustable seat mast slider is
moved up the seat mast, you will feel
the road surface and be more subject
road vibration.
Low position
The ride will be more comfortable
as the adjustable seatmast slider is
moved down the seat mast. You will
be more isolated from any vibration
caused by the road surface.
• Torque wrench
• Grease
• Loctite 242
19mm x 10mm x 5mm
m5 x .08 x 24mm
m5 x 10 x 1.0mm
m5 x 10
m5 x 18od x 1.5thck x r11
m5 x .08 - 35
CC
BB
N
M
L
P
K
The IsoSpeed seat decoupler allows the seat mast to flex
independently (decoupled) from the seat tube and top
tube. The IsoSpeed decoupler provides saddle comfort over
rough pavement, while the frame maintains stiffness for
quick acceleration and increased pedaling efficiency.
The new adjustable seat mast slider changes the amount
of flex provided by the seat decoupler for a truly tuned ride.
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DD
EE
O
L
M
N
(Parts enlarged for clarity)
S
Q
T
U