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Type of Crossbar Rack Spread* VIPER (1X) Load Limits 1 or 2 16" - 42" 16" (41cm) spread = CARRIAGE bikes 41cm - 107cm 30 lbs. (13.6kg) / bike BOLT (1X) 18" (46cm) spread = 3 or more 18" - 42"...
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(Large bikes, or short crossbar spreads) Decide where BETWEEN THE TOWERS OUTSIDE THE TOWERS you will position Viper can slide along the bar for Viper can be in a fixed location the Viper along easy repositioning, even when for optimum security when your crossbars.
FIxeD poSItIon: Open lever. Hold the RepoSItIonIng: adjustment knob. Turn Viper can slide along the bar for Viper can be in a fixed location for optimum security when mounted easy repositioning, even when handle clockwise to outside the towers. locked and loaded.
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NOTE: Shaft will turn can move in the mount, open the lever bike is not loaded vertically. and tighten the adjustment knob more. with adjustment knob. Lock the Viper. Secure the rear wheel. Pull the strap SOME BIKE WHEELS MAY CLOSE THE STRAP.
Tighten the hex key on the rear crossbar. and could • if Viper is mounted between the towers, and has been repositioned along the result in crossbar, remember to close the red cover, and tighten the hex key again. damage to your vehicle •...
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