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1033576B-5/15

ATTACHMENT

HARDWARE CAN

LOOSEN OVER TIME. 

CHECK AND TIGHTEN 

IF NECESSARY, BEFORE 

EACH USE.

MAINTENANCE

The Viper has a

self-lubricating internal 

mechanism.

it is not necessary to add 

lubrication.

DO NOT TRANSPORT

BICyCleS WITh

attached baby seats, 

panniers, wheel covers, 

or full bike covers.

Test bike stability by 

Tugging on fork leg.

K e e P   T h e S e   I N S T R u C T I O N S !

BeFORe DRIvING AWAy:

check the security of the forks; close the lever completely.

close the wheel strap tightly against the rear wheel.

Tighten the hex key on the rear crossbar.

if Viper is mounted between the towers, and has been repositioned along the

crossbar, remember to close the red cover, and tighten the hex key again.

don't forget your front wheel!

if forks move out of the skewer:

Open the lever and tighten the 

adjustment knob more.

THE LEVER should close with firm 

resistance against the forks. 

Refer to 

CHECK THE 

REAR WHEEL.

Tighten the strap 

if needed.

To release the 

strap, push the 

red button.

OFF-ROAD 

DRIvING

is not 

recommended 

and could 

result in 

damage to 

your vehicle 

or your bike.

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