
TuningYour Fork
RockShox(JUDY)forkscanbetunedtoyourparticularweight,ridingstyle,andterrain. Ourforksaresetupforthe
140-180lb(65-80Kg),all-aroundriderwhospendsequaltimeridingeveryoff-roadterrainimaginable. Because
you’re probably not that rider,you can benefit by making tuning adjustments to suit your specific needs.For
maximumtuningflexibility,purchaseaRockShoxTypeIITuningKit(includescoilsprings,springstops&MCU’s).
Ideally the fork performs best when occasionally bottoming out,but not too harshly nor too often. When
tuningyoursuspension,alwaysmakeonechangeatatimeandwriteitdown. Thistakespatiencebutallows
youtounderstandhoweachchangefeelsontheterrainyouride. Keepingarecordletsyoualwaysknowwhat
changesyouhavetriedandsuggestswhatchangesyoumighttry. Askyourshopand/orlocalriderswhatthey
have found works well. These resources are typically your best bet,but don’t hesitate to call us about your
specifictuningneedsifnecessary. Alistofphonenumbers,bycountry,areinthebackofthismanual.
RIDE HEIGHT AND SPRING PRELOAD ADJUSTMENT
Judyisdesignedtocompress(sag)whenyouaresittingonthebike. Thissagallowsthefrontwheeltostayin
contactwiththegroundwhenbrakingandcorneringoverroughanduneventerrain. Thenominalsettingsby
travelare7-10mmsagfor80mmtravel;5-8mmfor63mmtravel. Thetopcapadjustmentknoboneachleg
adjuststhesagofthefork(thepreloadonthespringstack). Changingthepreloadaltersthesagandfirmness
oftheinitialforkmovement.Whentheadjustmentknobisturnedfullclockwise,theforkwillsagtheleastand
bethefirmestinitially. Turningtheadjustmentknobsfullcounterclockwisemakestheforksagthemostand
bethesoftestinitially. Typically,heavier,moreaggressiveridersneedmorespringpreloadtoholdtheforkup
inthetravelandallowmoreoftheforktraveltobeusedduringbumpimpact. Lighter,lessaggressiveriders
need less preload on the spring system to allow the fork to move easier and be more supple over smaller
bumps. Forthe idealpreloadfor you,turn thetopcap adjustmentknobs toyour desired setting,keeping in
mindsagandinitialforkmovement.
DO NOT TURN THE PRELOAD ADJUSTERS PAST THEIR LIMIT STOPS.THERE ARE ONLY 3 FULL TURNS FROM MINIMUM TO
MAXIMUM PRELOAD.FAILURE TO OBSERVE THIS INSTRUCTION COULD RESULT IN PREMATURE FAILURE OF THE PRELOAD ADJUSTER
CAP ASSEMBLY.
OVERALL SPRING RATE ADJUSTMENT
Remember you want the fork to occasionally bottom out,but not too harshly nor too often. If you are
bottomingouttoooftenornotusingalltheavailabletravel,andifthepreloadandsagfeelgood(seeabove),
thenthe overallspring rateshould bechanged. Bychangingthe coilspringstops,youcan altertheoverall
springrate. Tochangethecoilspringstopineachleg,followthisprocedure:
NOTE:THE COIL SPRING STOPS MUST BE THE SAME IN EACH LEG.
1. Unscrewthetopcapassemblyusinga22mmwrenchorsocket.
2. Removethespringstackassembly(topcap,coilspring,coilspring
stop,spacer,andMCU).(SeeFig.2)
3. RemovetheMCUspacerfromthecoilspringstop,coilspring,andtop
capusinganunscrewingmotion.
4. Nowunsnapthecoilspringstopfromthespacer. Byusingshorter Fig.2