Cannondale Scalpel HT Configuration guide

READ THIS SUPPLEMENT AND YOUR
CANNONDALE BICYCLE OWNER’S MANUAL.
Both contain important safety information. Keep
both for future reference.
Owner’s Manual Supplement
Scalpel HT
English

Safety Messages
In this supplement, particularly important information
is presented in the following ways:
Indicates a hazardous situation which, if
not avoided, may result in death or serious
injury.
NOTICE
Indicates special precautions that must be
taken to avoid damage.
SYMBOLS:
NLGI-2
= Apply NLGI2 Synthetic grease or a high-quality bicycle bearing
grease
CRB-GEL
= Apply Carbon Gel, Friction Paste for bicycle components
2
= Apply Loctite® 242, or medium strength removable thread lock
N·m = Tightening torque in Newton meters.

1
CONTENTS
Safety Information...........................27
Technical Information....................817
Replacement Parts.............................18
Maintenance ...................................... 19
Cannondale Supplements
This manual is a “supplement” to your
Cannondale Bicycle Owner’s Manual.
This supplement provides additional and
important model specific safety, maintenance,
and technical information. It may be one of
several important manuals/supplements for
your bike; obtain and read all of them.
Please contact your Authorized Cannondale
Dealer immediately if you need a manual or
supplement or have a question about your bike.
You may also contact us using the appropriate
country/region/location information.
You can download Adobe Acrobat PDF versions
of any manual/supplement from our website:
http://www.cannondale.com.
Contacting Cannondale
Cannondale USA
Cycling Sports Group, Inc.
1 Cannondale Way
Wilton, CT 06897, USA
1800726-BIKE (2453)
CSG Europe (Woudenberg)
Cycling Sports Group Europe B.V.
Geeresteinselaan 57
3931JB Woudenberg
The Netherlands
PH: 00.31.541.200374
International Distributors
Consult our website to identify the appropriate
Cannondale Dealer for your region.
Your Cannondale Dealer
To make sure your bike is serviced and
maintained correctly, and that you protect
applicable warranties, please coordinate all
service and maintenance through your
Authorized Cannondale Dealer.
NOTICE
Unauthorized service, maintenance, or
repair parts can result in serious damage
and void your warranty.

2
Scalpel HT OMS
Safety Information
Important Composites Message
138678 Rev 1 (09/21)
Safety Information
Important Composites
Message
Your bike (frame and components) is made
from composite materials also known as
“carbon fiber.”
All riders must understand a fundamental
reality of composites. Composite materials
constructed of carbon fibers are strong
and light, but when crashed or overloaded,
carbon fibers do not bend, they break.
For your safety, as you own and use the
bike, you must follow proper service,
maintenance, and inspection of all the
composites (frame, stem, fork, handlebar,
seat post, etc.) Ask your Cannondale
Dealer for help.
We urge you to read PART II, Section D.
“Inspect For Safety” in your Cannondale
Bicycle Owner’s Manual BEFORE you ride.
You can be severely injured, paralyzed or
killed in an accident if you ignore this
warning.
Inspection & Crash Damage
Of Carbon Frames/Forks
After A Crash Or Impact:
Inspect frame carefully for damage. See
PART II, Section D. Inspect For Safety in
your Cannondale Bicycle Owner’s Manual.
Do not ride your bike if you see any sign of
damage, such as broken, splintered, or
delaminated carbon fiber.
Any of the following may indicate a
delamination or damage:
An unusual or strange feel to the frame
Carbon which has a soft feel or altered
shape
·Creaking or other unexplained noises,
Visible cracks, a white or milky color
present in carbon fiber section
Continuing to ride a damaged frame
increases the chances of frame failure, with
the possibility of injury or death of the rider.

3
Safety Information
Intended Use
Servicing
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 Dealer.
Intended Use
The intended use of
all models is ASTM
CONDITION 3,
Cross-Country.
Please read your Cannondale Bicycle
Owner’s Manual for more information about
Intended Use and Conditions 15.
Tightening Torques
Correct tightening torque for the fasteners
(bolts, screws, nuts) on your bicycle is very
important to your safety. Correct tightening
torque for the fasteners is also important for
the durability and performance of your bicycle.
We urge you to have your dealer correctly
torque all fasteners using a torque wrench. If
you decide to torque fasteners yourself always
use a torque wrench.
Find Tightening Torque Information :
The wide range of bicycle models and
components used means that a listing of
tightening torque would be out of date by
the time it was published. Many fasteners
should be installed with a thread locking
adhesive such as Loctite®.
To determine correct tightening torque and
any adhesive application for a fastener we
ask you to check:
Many components are marked. On-
product marking is becoming common.
·Torque specs in the component
manufacturers instructions shipped with
your bicycle.
Torque specs listed on the websites of
component manufacturers.
With your dealer. Dealers have access to
current data and have experience with
correct torque for most fasteners.

4
Scalpel HT OMS
Safety Information
Maximum Fork Length
138678 Rev 1 (09/21)
Maximum Fork Length
Maximum Fork Length is an important frame safety testing specification for front suspension
mountain bikes. You must observe the measurement when installing headset parts, headset
adapters, installing and adjusting a fork, and selecting replacement forks.
To Center Of
The Fork Axle
From
Bottom Of Frame
Head Tube
Maximum
Fork
Length
You must select a replacement fork not only based on head tube diameter but the critical factor
of frame maximum fork length.
Do not exceed maximum fork length. Exceeding the MAXIMUM FORK LENGTH limit can
overload the frame causing it to break while riding.
Your retailer MUST follow and observe this specification for your bike. For Maximum Fork
Length specifications for Cannondale bicycles, see www.cannondale.com.
You can be severely injured, paralyzed or killed in an accident if you ignore this warning.

5
Safety Information
Tire Size x Maximum Width
Tire Size x Maximum Width
Observe the Tire Size x Maximum Width for your bike found in the “Specifications” page of
this manual.
Mounting the wrong size tires can result in the tires hitting the fork or frame when riding. If this
happens, you can lose control of your bike and you can be thrown o. A moving tire can be
stopped because it touches the fork or frame.
Do not mount tires that are larger than the maximum recommended size. Such tires could contact
the fork, frame, saddle, seatpost, or seatbinder when the suspension is fully compressed or while
riding. Only select tires that are compatible with your bike’s fork and frame design. Also, be sure to
follow the manufacturer’s recommendations of your front fork and rear shock.
When you are considering tires for your bike consider...
The actual measured size of a tire may be dierent than its sidewall marking. Each time you
mount a new tire, take the time to inspect the actual clearance between the rotating tire and all
parts of the frame. The U.S. Consumer Product Safety Commission (CPSC) requires at least 1/16”
(1.6 mm) tire clearance from any part of the bike. Allowing for lateral rim flex and a wheel or rim that
is out-of-true will likely mean choosing a rear tire that provides even more clearance than the
CPSC recommends.
Ask your authorized brand retailer for the right tires for your bike and its particular
components! You can be severely injured, paralyzed or killed in an accident if you ignore this
warning.
1
2
1. Serial Number
2. Product Codes
Serial Number
The serial number is located on the bottom
bracket. It is a 7-character barcode (1). Use
this serial number to register your bike.
To register your bike: go to the
Product Registration section of
our website at
www.cannondale.com

6
Scalpel HT OMS
Safety Information
Minimum Seat Post Insert - Frame
138678 Rev 1 (09/21)
Minimum Seat Post Insert -
Frame
Keep the frame’s minimum seat post
insertion length inserted into the frame at
all times. The length is found in the
“Specifications” table in this manual.
To mark the seat post with a frame
minimum seat post insertion mark:
1. Remove the seat post.
2. Measure the length of the specification
up from the bottom of the seat post.
3. Make a permanent ink line mark on the
seat post.
If you have questions, about minimum seat
post insert of the frame or a seat post
minimum insert, please consult with your
dealer or a professional bicycle mechanic.
Failure to insert and maintain either frame
seat post minimum insert and also seat
post minimum insert, can place very high
stresses these parts causing failure while
riding.
You can be severely injured, paralyzed or
killed in an accident if you ignore this
warning.

7
Technical Information
Specifications
Technical Information
All Specifications subject to change without notice.
Specifications
Item Specification
Head Tube UPR: 1 1/8in LWR: 1 1/2in
Headset Integrated 1 1/8in-1.5in
FSA Orbit C40 ACB
Bottom Bracket: Type/Width 83mm PF30
Front Derailleur N/A
Seat Post: Dia./Binder 27.2mm/30.9mm
Min. Seat Post Insert 100mm
Tire Size x Max. Tire Width 29  2.35in
Max. Fork Length 530mm
Chain Guide K11271 only
Rear Brake: Mount Type / Min./Max. Rotor Dia. Post Mount/160/180mm
Rear Axle: Type/Length Speed Release UDH/148121.0P
173.5mm Overall Length
Intended Use ASTM CONDITION 3: Cross-Country, Marathon,
Hardtails
Max. Weight Limit: Total
(Rider+All Equipment)
305lbs/138kg
Additional Technical Features SRAM UDH, K11271 Chain Guide

8
Scalpel HT OMS
Technical Information
Geometry - Scalpel HT 100 (Lefty Ocho)
138678 Rev 1 (09/21)
75 mm
O
B
E
C
N
H
K
I
A
D¹
M
G
L
F
D
J
Geometry - Scalpel HT 100 (Lefty Ocho)
Dimensions = centimeters
Specifications subject to change without notice.
Item Size SM MD LG XL
Wheel Size 29 29 29 29
ASeat Tube Length 39.0 44.0 48.0 53.0
BTop Tube Horizontal 57.1 59.4 61.7 64.0
CHead Tube Angle 67.0 67.0 67.0 67.0
DSeat Tube Angle Eective 75.0 75.0 75.0 75.0
D’ Seat Tube Angle Actual 73.2 74.0 74.6 75.0
E Standover 74.8 78.5 81.4 85.0
FHead Tube Length 9.9 11.0 12.2 13.5
G Wheelbase 112.4 115.4 118.3 121.4
H Front Center 70.2 72.6 75.0 77.6
I Chain Stay Length 43.0 43.5 44.0 44.5
J Bottom Bracket Drop 6.2 6.2 6.2 6.2
K Bottom Bracket Height 28.0 31.5 31.5 31.5
L Fork Rake 5.5 5.5 5.5 5.5
M Trail 10.0 10.0 10.0 10.0
N Stack 60.2 61.2 62.3 63.5
O Reach 41.0 43.0 45.0 47.0
Head Tube Height 51.1 51.1 51.1 51.1

9
Technical Information
Geometry - Scalpel HT 110 (Lefty Ocho 120)
75 mm
O
B
E
C
N
H
K
I
A
D¹
M
G
L
F
D
J
Geometry - Scalpel HT 110 (Lefty Ocho 120)
Dimensions = centimeters
Specifications subject to change without notice.
Item Size SM MD LG XL
Wheel Size 29 29 29 29
ASeat Tube Length 39.0 44.0 48.0 53.0
BTop Tube Horizontal 57.2 59.4 61.7 64.2
CHead Tube Angle 66.5 66.5 66.6 66.6
DSeat Tube Angle Eective 74.5 74.5 74.6 74.6
D’ Seat Tube Angle Actual 72.7 73.5 74.1 74.6
E Standover 75.4 79.0 81.9 85.5
FHead Tube Length 9.9 11.0 12.2 13.5
G Wheelbase 112.3 115.1 118.1 121.2
H Front Center 69.9 72.3 74.8 77.4
I Chain Stay Length 43.0 43.5 44.0 44.5
J Bottom Bracket Drop 5.9 5.9 5.9 5.9
K Bottom Bracket Height 28.0 31.8 31.8 31.8
L Fork Rake 5.0 5.0 5.0 5.0
M Trail 10.9 10.9 10.9 10.9
N Stack 60.7 61.7 62.9 64.1
O Reach 40.4 42.3 44.4 46.5
Head Tube Height 52.1 52.1 52.1 52.1

10
Scalpel HT OMS
Technical Information
Seat Post
138678 Rev 1 (09/21)
Seat Post
Installation & Adjustment
Before installing:
• To ensure good clamping and avoid creaking,
remove all residual carbon paste with a clean
cloth dampened with rubbing alcohol. Wipe
the inside of the seat tube and seat post. Wipe
again using a clean area of the cloth and repeat
until the cloth comes away clean.
• Apply fresh carbon friction paste to the seat
post and place a little bit inside the seat tube.
• Lightly grease the seat tube under the seat
post clamp.
To adjust:
1. Insert the prepared seat post into the frame.
2. Set the saddle height. Maintain the specified
minimum insert.
3. Tighten the binder screw to the specified torque.
NOTICE
Do not exceed the specified torque. If you
over-tighten the binder bolt, you will damage the
binder, seat post, or frame.
Minimum Insert
The minimum insert depth the seat post must be
inserted into the frame is 100mm.
Maximum Insert
The total length of seat post that may be inserted
will vary with the frame size and should be checked
in each frame.
To check, carefully slide a seat post into the frame
until it stops; then lift it up 5mm.
NOTICE
A seat post should not be bottomed out inside
the frame at any time. If necessary, have
your Cannondale dealer cut the seat post
appropriately.
THE SEAT POST MUST ONLY BE CUT BY A
PROFESSIONAL BIKE MECHANIC. Incorrectly
cutting the seat post can result in damage
leading to an accident.
For more information about carbon fiber seat
posts, see also “Care and Maintenance of Carbon
Fiber Seat Posts” in your Cannondale Bicycle
Owner’s Manual.

11
Technical Information
Seat Post
35 N·m
1
2
4
NGLI-2
CRB-GEL
100mm
5mm
Identification
1. Seat post
2. Seat post clamp
3. Clamp bolt
4. Threaded insert
Minimum
Maximum
Bottom Out
Apply carbon paste
to entire length of the
inserted seat post

12
Scalpel HT OMS
Technical Information
Chain Guide Setup
138678 Rev 1 (09/21)
Chain Guide Setup
To install the chain guide:
1. Clean the guide and the frame mounting
location.
2. Attach the guide arm to the frame with the
mounting screw. Tighten to 12 Nm with a
torque wrench/
Do not ride the bike with the chain
guide removed, or in a damaged
condition. Replace it with a new
one.
To set the position of the chain guide:
1. Shift the chain onto the largest cog on the
rear cassette.
2. Positon the flat surface of the chain guide
head 1mm above the chain as shown next
figure. The pointed end faces forward on the
bike.
3. Place a 1mm allen key flat on top of the chain
so its flat side contact the chain and the
guide lower surface and lower the chain
guide into the allen key, then tighten to
23 Nm.
4. Test to confirm the chain guide is operating
properly by pulling the chain towards the
outside of a slowly rotating chain , attempting
to derail the chain, while pedaling it forward
(by hand) in the work stand. The chain should
not come o of the guide. If the chain does
come o of the guide, slightly lower the guide
until it does not.
Keep fingers away from chain ring.
5. Confirm the chain guide does not rub while
the rider is pedaling the bike in the largest
cassette cog.

13
Technical Information
Chain Guide Setup
1mm
a
c
1-2 N·m
1
2
2-3 N·m
5
3
4
b
1mm
a
c
1-2N·m
1
2
2-3N·m
5
3
4
b
Identification
1. Guide arm
2. Mounting screw
3. Guide head
4. Guide screw
5. Threaded plate
a. bump
b. recess
c. point end

14
Scalpel HT OMS
Technical Information
Bottom Bracket - PF30 / 83 mm MTB
138678 Rev 1 (09/21)
Bottom Bracket - PF30 / 83 mm MTB
6
2
1
6
4
35
NOTICE
To avoid serious damage to the frame, follow the manufacturer’s instructions for assembly and
installation of the bearing system. Use the specified bottom bracket tools when servicing. Consult
with your Cannondale Dealer on the quality and compatibility of any proposed replacement
component. Do not use chemical solvents to clean. Do not remove frame material or use surfacing
tools on the bottom bracket shell. Frame damage, caused by improper components, component
installation, or removal is not covered by your warranty.
1. Frame BB Shell
2. Bearing Cup
3. Housing cover, drive side
4. Mechanical cable guide,
drive side
5. Brake housing cover,
non-drive side
Identification
Clean surface and apply Loctite® 680 retaining compound, ensure that both mating surfaces
of the cup are completely covered before pressing in the PF30 cups. Allow time to cure ac-
cording to Loctite instruction prior to proceeding with bearing installation. below:

15
Technical Information
Universal Derailleur Hanger (UDH)
Universal Derailleur Hanger (UDH)
1
a
25 N·m
NO grease
a
2
4
3
UDH™ - SRAM - ac-drhg-mtb-a1
SRAM P/N : 00.7918.093.000
Replacement
Before installing a new /replacement hanger, be sure to clean any dirt or debris on the dropout
with a nylon brush (e.g., old toothbrush). Inspect the area for any damage especially after a crash
or impact. Take corrective action when required. Use a good-quality torque wrench and tighten to
the specified torque.
NOTICE
Follow SRAM’s instructions when mounting the UDH hanger to the frame.
- https://www.sram.com/en/sram/models/ac-drhg-mtb-a1
1. UDH dropout
2. UDH hanger
3. UDH washer
4. UDH Bolt
a. UDH rotation stop
Identification

16
Scalpel HT OMS
Technical Information
Cable Routing
138678 Rev 1 (09/21)
RD
DP
RB
DP
RB
RD
Mechanical
Cable Routing
Identification
RD  Rear derailleur housing, or cable
RB  Rear brake housing
DP  Dropper post housing
Route cables inside the frame from
the headtube to the bottom
bracket shell and enter the
chainstays.
Cables and wire, in case of
electronic shift, fit into the
channels.
In case of a mechanical rear
derailleur, use the slotted cover
shown.
Do not remove the covers except to
service cables.

17
Technical Information
Guards/Protectors - Placement
NOTICE
Damaged, loose, missing, or incorrectly-positioned protectors can lead to frame damage not
covered by the Cannondale Limited Warranty. Make sure all frame protectors and guards are
present, in good condition, and installed correctly.
Guards/Protectors - Placement
1
2
1 . Chain plate
2. Chainstay, protector
Identification

18
Scalpel HT OMS
Replacement Parts
.
138678 Rev 1 (09/21)
Replacement Parts
F
G
3 N·m
M5 x 12
M3 x 12
F
D
M4 x 12
J
J
H
A
B
E
E
2-3 N·m
1-2 N·m
C
ID Part Number Description
A
SRAM Universal Derail-
leur Hanger (UDH)
SRAM P/N
00.7918.093.000
B K11271 Scalpel HT Chain Guide
C K32161 BB Guide Covers
D K32150 Cable Guides
E K32330 Dropout Cable Stop
Mech QTY = 1
F K32048 Shift And Brake
Grommets
ID Part Number Description
G KP449/ Rubber Brake Housing
Grommets
H K32241 Cable Entry Grommet
I K34591 Scalpel HT CS Protector
J K34601 Scalpel HT Chainring
Clear Frame Protection
- K83081
UDH Speed Rel TA
14812 173.5mm
M121.0P