A
B
1033576B-3/15
Close the lower
plate, then press
the silver hook.
CLOSE THE RED COVER.
it should close with firm
resistance.
If not, repeat the previous
step, being sure to press
the silver hook.
ATTACH THE
HEX KEY AND
TIGHTEN
COMPLETELY.
ChOOSe yOuR MOuNTING OPTION
(Read A & B below).
TO REARRANGE THE VIPER AFTER INSTALLATION:
• Lift the red cover, loosen the hex key.
• Reposition.
• Close the red cover, tighten the hex key.
conVenIent
RepoSItIonIng:
Viper can slide along the bar for
easy repositioning, even when
locked and loaded.
The red cover cannot be opened
unless the skewer is unlocked and
removed from the Viper’s head.
SEPARATE THE
SKEWER’S SHAFT
FROM ITS HANDLE.
FIxeD poSItIon:
Viper can be in a fixed location for
optimum security when mounted
outside the towers.
Hold the switch DOWN and
insert the skewer.
Hold the switch UP and
insert the skewer.
do not install the Viper outside
the tower if the switch is in the
down position.
The switch is behind
the Viper's head.
always install the Viper
outside the tower with the
switch in the uP position.
DOWN
The switch is behind
the Viper's head.
UP
Open lever. Hold the
adjustment knob. Turn
handle clockwise to
remove the shaft.
place the Viper onto the bars.
Install the skewer from either side (consider access to the quick-release lever).