Cannondale LEFTY ULTRA 120 Manuale utente

NTOWNER’SM
SMANUALSUP
UPPLEMENTO
WARNING READ THIS SUPPLEMENT AND YOUR
CANNONDALE BICYCLE OWNER’S MANUAL.
Both contain important safety information.
Keep both for future reference.
2010
LEFTY ULTRA 120
125227.PDF
Revision 12/2009

In this supplement, particularly important information is presented in the following ways:
WARNING Indicates a hazardous situation which, if not
avoided, could result in death or serious injury.
NOTICE Indicates special precautions that must be taken to
avoid damage.
TIP A TIP provides helpful information.
This manual meets EN standards
14764, 14766, and 14781.
Vélo certifié conforme aux exigences du décret
N 95-937 du 24 août 1995 norme NFR030

2010 LEFTY ULTRA 120
Owner’s Manual Supplement
125227.PDF
EN - 12/09
Please note that the specications and information in this manual are subject to change for product improvement. For the latest product
information, go to http://www.cannondale.com/tech_center/
Replacement Cannondale part numbers are shown
throughout this supplement in BOLD ITALIC text.
CONTENTS
SAFETY INFORMATION ......................................2
Intended Fork Use................................................... 2
Fork Damage........................................................... 3
INDENTIFICATION.............................................4
LEFTY WHEEL HUB............................................5
SPECIFICATIONS
Lefty Ultra 120 Carbon Sl w/PBR............................. 6
Lefty Ultra 120 w/PBR............................................. 7
Lefty Ultra 120 w/DLR............................................. 8
PBR ADJUSTMENT.............................................9
DLR ADJUSTMENT...........................................11
FRONT WHEEL ................................................12
Removal .............................................................. 12
Installation ........................................................... 13
XC3 STEMSTEERER.........................................14
1.125” STEERER ..............................................16
MAINTENANCE ...............................................18
Cleaning .............................................................. 19
Frame Bumper...................................................... 19
Boot Inspection..................................................... 20
Clean/Re-Oil Air Filter ........................................... 21
LEFTY NEEDLE BEARING RESET ............................... 22
PBR Needle Bearing Reset.................................... 24
DLR Needle Bearing Reset..................................... 25
Clean/Re-Grease Telescope ................................... 26
REPLACEMENT PARTS .....................................27
WARNING
This supplement may include procedures beyond the scope of general mechanical aptitude. Special tools, skills, and knowledge may be
required. Improper mechanical work increases the risk of an accident. Any bicycle accident has risk of serious injury, paralysis or death.
To minimize risk we strongly recommend that owners always have mechanical work done by an authorized Cannondale retailer.

2
SAFETY INFORMATION
INTENDED FORK USE
Lefty ULTRA 120 forks are intended for use in Condition 4 (All
Mountain) riding. The CONDITION 4 symbol is shown next
gure.
For riding on
rough trails
with medium
obstacles
Figure 1.
CONDITION 4
Bikes designed for riding Conditions 1, 2, and 3, plus rough
technical areas, moderately sized obstacles, and small jumps.
Fork is Intended
For trail and uphill riding. All-Mountain bicycles are: (1)
more heavy duty than cross country bikes, but less heavy
duty than Freeride bikes, (2) lighter and more nimble than
Freeride bikes, (3) heavier and have more suspension travel
than a cross country bike, allowing them to be ridden in more
dicult terrain, over larger obstacles and moderate jumps, (4)
intermediate in suspension travel and use components that t
the intermediate intended use, (5) cover a fairly wide range of
intended use, and within this range are models that are more
or less heavy duty.Talk to your retailer about your needs and
these models.
Fork Not Intended
This fork is not intended for use in extreme forms of jumping/
riding such as hardcore mountain, Freeriding, Downhill, North
Shore, Dirt Jumping, Slope-style, Hucking etc.
WARNING
UNDERSTAND YOUR FORK AND ITS INTENDED USE.
USING YOUR FORK THE WRONG WAY IS DANGEROUS.
Industry usage Conditions 1 - 5 are generalized and
evolving. Consult your Cannondale Dealer about how you
intend to use your bike.
Please read your Cannondale Bicycle Owner’s Manual
for more information about Intended Use and
Conditions 1-5.

125227.PDF
3
FORK DAMAGE
WARNING
STOP RIDING A DAMAGED FORK IMMEDIATELY.
The following conditions indicate that serious fork damage is present:
1. Any unusual“klunking”or knocking noises.
2. A change in fork travel.
3. An over-extended, elongated, or compressed boot.
4. Changes from the way the fork had been working
5. Loss of adjustment features, oil leaks, or air leaks.
6. Crash or impact damage (deep scratches, gouges, dents, or bending)
7. Small cracks under the bolt head of upper and lower clamp bolts. This inspection requires the removal of the bolts.
Horizontal cracks above and below the intersection of the upper and lower clamps with the outer tube portion of the
Lefty carbon structure.
Vertical cracks in the outer tube (where the races and needle bearings run). These may show as long, straight lines
perhaps several lines parallel to each other.
Also, please read Inspect For Safety in PART II, Section D. of your Cannondale Bicycle Owner’s Manual.
HAVE ANY DAMAGED FORK INSPECTED AND DAMAGE REPAIRED BY YOUR CANNONDALE DEALER. YOU CAN BE
SEVERELY INJURED, PARALYZED OR KILLED IN AN ACCIDENT IF YOU IGNORE THIS WARNING.
The MAINTENANCE section of this supplement includes information about regular maintenance practices that can keep your fork
in good operating condition.

4
SERIAL NUMBER
16mm
#"$"'%'#"#$
""%'(&$"
&
% $%!#("'&
#)%!$*
##'
%!(!$%
"6&#/33)1&"%2
/43&1)4##&"1*.(".%
*..&1)4##&"1*.(".%
CARBON SL OPI
400&1$"-0
/43&1$/"1;
&63&1.""%+423-&.32
0#19:
$/-043&1
2&.2/1-/4.3
/03*/."
$"-0
$"-0:8
"*101&2241&"%+423-&.3
"*1'*3&1"22&-#7
$"-0
$"-0:8
ONE-PIECE INTEGRATION (O.P.I.)
OUTER TUBE / CLAMPS
CARBON FIBER OUTER TUBE
$"-0#/3
!. *9
$"-05*%3)
)
)
$"-0#/3
!. *9
IDENTIFICATION

125227.PDF
5
LEFTY WHEEL HUB
LEFTY 24 AND 32 SPOKE HUB DIMENSIONS
DISC FLANGE DIAMETER 58MM
NON DISC FLANGE DIAMETER 44.5MM
DISC FLANGE TO CENTER 35MM
NON DISC FLANGE TO CENTER 20MM
CAP
Park SPA-1
AXLE BOLT
SEAL
INNER BEARING
WHEEL HUB
OUTER BEARING
WASHER
O-RING
NO RIDE
WHEEL TRUING TOOL - QCTL108/
15.0 Nm
DISC ROTOR BOLTS
6.2 Nm, Loctite 262
QC117/ KB61902/
KB61805/
QC118/
QC081/ (24 spk, 6bolt)
QC627/ (32 spk, 6bolt)

6
SPECIFICATIONS
Lefty Ultra 120 Carbon SL w/PBR
Integrated Frame Design RZ OneTwenty
Intended Use CONDITION 4, Marathon
Travel (mm) 120
Adjustments
Pop-Top, On/O
Rebound
Air Pressure Limits:
MINIMUM. 50 psi, 3.4 bar
MAXIMUM. 225 psi, 15.5 bar
Recommended Sag 25 % 30 mm
Spring Type/Material Solo Air
Negative Spring Air Automatic
Damper PBR w/Pop Top
Damper Oil Volume --
Damper Oil Weight 5w
Telescope Length
(Needle Bearing Reset) 720 - 730 mm
Clamp Width STANDARD - 137.6 mm, 4.5 In Headtube
XL - 163.0 mm, 5.5 In Headtube
Weight Lbs. (gr) 2.75 (1245)

125227.PDF
7
Lefty Ultra 120 w/PBR
Integrated Frame Design RZ OneTwenty
Intended Use CONDITION 4, Marathon
Travel (mm) 120
Adjustments
Pop-Top, On/O
Rebound
Air Pressure Limits:
MINIMUM. 50 psi, 3.4 bar
MAXIMUM. 225 psi, 15.5 bar
Recommended Sag 25 % 30 mm
Spring Type/Material Solo Air
Negative Spring Air Automatic
Damper PBR w/Pop Top
Damper Oil Volume --
Damper Oil Weight 5w
Telescope Length
(Needle Bearing Reset) 720 - 730 mm
Clamp Width 137.6 mm, 4.5 In Headtube
Weight Lbs. (gr) 3.08 (1395)

8
Lefty Ultra 120 w/DLR
Integrated Frame Design RZ OneTwenty
Intended Use CONDITION 4, Marathon
Travel (mm) 120
Adjustments
Lockout, On/O
Rebound
Air Pressure Limits:
MINIMUM. 50 psi, 3.4 bar
MAXIMUM. 225 psi, 15.5 bar
Recommended Sag 25 % 30 mm
Spring Type/Material Solo Air
Negative Spring Air Automatic
Damper DLR
Damper Oil Volume --
Damper Oil Weight 5w
Telescope Length
(Needle Bearing Reset) 720 - 730 mm
Clamp Width STANDARD - 137.6 mm, 4.5 In Headtube
Weight Lbs. (gr) 3.09 (1400)
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