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ROCKSHOX, INC. • JANUARY 2001 5
R
OCK
S
HOX
, I
NC
. E
NGLISH
ADDING AIR PRESSURE
Remove the air cap to expose the air valve. Using a football needle (provided with your fork) and
a bike pump, add the recommend air pressure (see Air Pressure Guidelines"). Remove the football
needle and re-install the air cap.
NOTE: MAXIMUM AIR PRESSURE IS 50 PSI.
External Rebound Adjustment (SL only)
Damping controls the speed the fork moves after hitting a bump (or how quickly the fork returns
to full travel). You want the fork to absorb the bump impact and then return to full travel before
you encounter the next bump. Test the damping by standing next to the bike and putting both
hands on the handlebar. Pull the front brake and quickly push on the fork, and then lift the front
wheel before the fork fully extends. You should feel how hard the fork extends as you lift the
front wheel. If the fork extends too fast, the wheel and handlebar will shake in your hands (you
need more damping). If the fork extends like an elevator (slow), there is too much damping.
To change the rebound damping on your fork, locate the adjuster knob on the lower right leg. A
clockwise adjustment will increase the rebound damping; a counterclockwise adjustment will
decrease the rebound damping. More damping means slower fork speed. The knob offers 90 degrees
of adjustment. Do not turn the rebound adjuster past its stop limits. Small changes in knob position
will make large changes on the trail. Start in the middle, and increase or decrease as necessary.
Oil Tuning
Changing the HydraCoil oil in your Judy fork will alter its rebound characteristics. Rebound is
the extension or return of your fork. To slow the rebound of your fork, replace the stock 5 wt. oil
in your fork with a heavier weight oil (10 or 15 wt.). For further information on oil volumes and
adding oil to your fork, visit our website at www.rockshox.com or contact your RockShox local
dealer or distributor.
Changing Travel
To change the travel of your fork from 80 to 100 mm or from 100 to 80 mm you must perform a
full service on your fork. To obtain service information or instructions, visit our website at
www.rockshox.com or contact your local RockShox dealer or distributor.
M AINTENANCE
To maintain the high performance, safety, and long life of your fork, periodic maintenance is
required. If you ride in extreme conditions, maintenance should be performed more frequently.
Recommended intervals for maintenance are listed below.
Before Every Ride
Check the other components on your bicycle in accordance with the manuals supplied by the
manufacturer to make sure they are in working order.
After Every Ride
Clean and dry the exterior of your fork. Avoid directing water pressure at the upper tube/wiper
seal junction.
Every 25 Hours of Riding
• Lift boots from lower legs. Wipe exterior surfaces, including upper tubes. Apply 2-3 drops of Teflon-based oil to the
upper tube/lower tube junction. Refit boots.
• Check top cap assemblies, brake post bolts, and shaft bolts for proper torque.
Torque Tightening Values
Top Caps 40 in-lb
Brake Posts 80 in-lb
Shaft Bolts 60 in-lb
Check Air Pressure See Air Pressure Guidelines