Cannondale Scalpel Guide de configuration

Scalpel

OWNER’S MANUAL SUPPLEMENT

116378.PDF

READ THIS MANUAL CAREFULLY!

It contains important safety information.

Keep it for future reference.

Please note that the speciﬁcations and information in this manual is subject to change for product

improvement without notice. For the latest product information, go to http://www.cannondale.

com/bikes/tech/.

INTRODUCTION - GENERAL SAFETY

INFORMATION ....................................... 2

About This Supplement ............................... 2

Special Manual Messages ........................... 2

Scalpel Intended Use .................................... 3

Cross-Country/ Marathon Riding .............. 3

Building Up A Frameset ............................... 3

TECHNICAL INFORMATION ................... 4

Scalpel Front Triangle ................................... 4

Chainstays ....................................................... 5

Head Tube ........................................................8

MAXIMUM FORK LENGTH ........................... 5

Sag .............................................................8

Selecting Rear Shocks ...................................8

Mounting Rear Shocks .................................9

Brakes ........................................................... 10

Chain Rings ................................................... 10

Front Derailleur ............................................ 10

Chain Height ................................................. 10

Tire Selection ................................................ 10

Line/Cable Frame Protection ......................11

Housing Guides and Cable Stops .............12

Bottom Bracket Cable Guide .....................12

Right Chainstay Protector ................................14

SYSTEM INTEGRATION CRANKSETS .....14

Crankarm Removal .......................................14

Spindle Removal ...........................................14

Bearing Inspection .......................................14

Bearing Removal ..........................................15

Circlip and Bearing Installation ............... 16

Spindle & Crankarm Installation ............. 23

MAINTENANCE .................................... 20

Item Schedule ...............................................20

About Cleaning .............................................21

Tightening Torques ......................................21

REAR SHOCK LINK ............................... 22

COMPOSITE SEAT STAY ........................ 24

REAR DERAILLUER HANGER ................ 26

GEOMETRY ............................................27

SPECIFICATIONS ................................... 28

REPLACEMENT PARTS .......................... 29

OWNER NOTES ............................... 30-32

CONTENTS

Scalpel

OWNER’S MANUAL SUPPLEMENT

116378.PDF

INTRODUCTION - GENERAL

SAFETY INFORMATION

About This Supplement

Cannondale Owner’s Manual Supplements

provide important model speciﬁc safety,

maintenance, and technical information. They

are not replacements.

This supplement may be one of several for your

bike. Be sure to obtain and read all of them.

If you need a manual or supplement, or have a

question about your bike, please contact your

Cannondale Dealer immediately, or call us at

one of the telephone numbers listed on the back

cover of this manual.

You can download Adobe Acrobat PDF versions

of any Cannondale Owner’s Manuals or

Supplements from our website.

Go to: http://www.cannondale.com/bikes/tech

• This manual is not a comprehensive safety or

service manual for your bike.

• This manual does not include assembly

instructions for your bike.

• All Cannondale bikes must be completely

assembled and inspected for proper operation

by a Cannondale Dealer before delivery to the

owner.

* * Important * *

This manual may include procedures beyond

the scope of general mechanical aptitude.

Special tools, skills, and knowledge may be

required.

If you have any doubt about your ability

to properly inspect, adjust, or service your

bicycle, do not attempt to perform the

work described; please take it to a

Cannondale Dealer.

Special Manual Messages

In this manual, information which affects your

safety is emphasized in the following ways:

The Safety Alert Symbol means

: “ATTENTION....BECOME ALERT, YOUR SAFETY IS

INVOLVED.”

WARNING

A WARNING indicates a potentially hazardous

situation which, if not avoided, can result in

serious injury or death.

WARN000

CAUTION

A CAUTION Indicates a potentially hazardous

situation which, if not avoided, can result in

serious damage to the product. The matters

described under CAUTION may, if not avoided,

lead to personal injury, or results depending on

the situation and degree of damage. Important

matters are described in CAUTION (as well as

WARNING), so be sure to observe them.

CAUT000

NOTE:

A NOTE provides helpful information or tips

intended to make the information presented

clearer.

116378.PDF

Scalpel Intended Use

Cross-Country/Marathon Riding: Our Scalpel

model bikes and framesets are made for cross-

country riding and racing. Scalpels are not

made for use in extreme forms of jumping/riding

such as hardcore mountain, Freeriding, Downhill,

North Shore, Dirt Jumping, Hucking etc.

Cross-country riding ranges from mild to agressive

riding over intermediate terrain (hilly with

small obstacles like roots, rocks, loose surfaces

and hard pack and depressions). There are no sick

drops, jumps or launches (wooden structures,

dirt embankments) requiring long suspension

travel or heavy duty components. Cross-country/

marathon equipment (tires, shocks, frames, drive

trains) are light-weight, favoring nimble speed

over brute force. Suspension travel is relatively

short since the bike is intended to move quickly

on the ground and not spend time in the air

landing hard and hammering through things.

WARNING

Using your bicycle improperly is hazardous.

WARN001

Building Up A Frameset

Consult with your Cannondale Dealer and the

component manufacturers and frankly discuss

your riding style, ability, weight, and interest in

and patience for maintenance.

Generally speaking, lighter weight components

have shorter lives. In selecting lightweight

components you are making a trade-off, favoring

the higher performance that comes with less

weight over longevity. If you choose more

lightweight components you must inspect them

more frequently. If you are a heavier rider or have

a rough, abusive or “go for it” riding style, buy

heavy duty components.

Make sure the components chosen are compatible

with your bike and intended for your weight and

riding style.

Read and follow the component manufacturers

warnings and instructions.

TECHNICAL

Scalpel Front Triangle

The Scalpel’s front triangle is hand-welded, heat-treated 6061-T6 aluminum, and features the Power

Pyramid down tube. The Power Pyramid simultaneously increases in diameter and decreases in wall

thickness throughout its length. As a result, the down tube has a weight-saving thinner wall and a

super-rigid, oversized proﬁle at the bottom bracket shell to resist pedaling forces. At its upper end,

the Power Pyramid has a slimmer diameter for compatibility with the head tube and a beeﬁer wall

for added strength.

The Scalpel also boasts easy portability, with an open, uncluttered front triangle that places all of the

suspension components aft of the seat tube. And for enhanced stand-over clearance, the Scalpel’s

top tube has a downward bend just forward of the saddle - a feature that we ﬁttingly call the Crotch

Notch.

Figure 1

Scalpel Frame Identiﬁcation

1. Top Tube

2. Down Tube

3. Seat Tube

4. Rear Shock “Frog” Link

5. EPO Chainstay (carbon ﬁber)

6. Seatstay (composite)

7. Head Tube

8. Rear Shock

116378.PDF

Carbon Fiber Chain Stays

The carbon ﬁber chain stays deliver 2.7 inches of rear wheel travel. The chain stays’ unique shape and

the careful orientation of their ﬁbers during fabrication force the stays to bend at a precise point mid-

way along their length. (As opposed to other designs with ﬂexing chain stays, where the stays bend

throughout their length.) By isolating the point at which the stays bend - in reality, the pivot point

around which the swingarm rotates - our engineers are able to dictate the performance characteristics

of the rear suspension.

Before the chain stays ever bend upward, though, they are bent downward. Pre-loading the Scalpel’s

rear shock also pre-loads the chain stays, bending them downward at the pivot so the suspension

is extended an additional 1” at the rear dropouts. The natural inclination of the stays to spring back

to their resting (unloaded) state functions as an integral negative spring that dramatically enhances

small bump response.

Pre-loading the stays also moves the rear wheel’s axle to a level just below the Scalpel’s mid-stay pivot.

The result is that, through the ﬁrst part of its travel, the rear wheel is able to move back out of the

way of impacts as it also moves upward. In the latter part of the travel the pivot is below the rear axle,

eliminating chain growth, pedal feedback and bobbing.

As the swingarm goes through its travel, the suspension also morphs from using the chain stays’

decreasing negative spring (for plush initial response) to using the rear shock’s ramping, positive air

spring for progressive response toward the end of its travel (to prevent harsh bottoming out).

Figure 2

Chainstay Pivot Area

Head Tube

The head tube accepts Cannondale HeadShok

System Integration™ headsets (shown), and

OnePointFive 1.5 (38.1mm) headsets.

137.7mm

134.6mm

4.5”

Figure 3

SI Head tube Headshok Headset

Parts Identiﬁcation

1. SI Upper Bearing Seal

2. SI Bearing

3. SI Bearing Cup

137.7mm

134.6mm

4.5”

Figure 4

SI Head tube

116378.PDF

500mm

(19.7 in)

Figure 5

MAXIMUM FORK LENGTH

How MAXIMUM FORK LENGTH is

measured:

• THE FORK MUST BE INSTALLED and FULLY

EXTENDED.

• MEASURE THE DISTANCE FROM

BOTTOM OF FRAME HEAD TUBE

TO CENTER LINE of WHEEL AXLE.

Do not measure from bottom of headset

bearing cups or head tube adapters if any.

WARNING

DO NOT INSTALL FORKS WITH A MAXIMUM

FORK LENGTH LONGER THAN THE

SPECIFICATION FOR YOUR FRAME. A longer

fork can overload the frame causing it to

fail (break) while riding. You can be severely

injured, paralyzed or killed in an accident.

To ﬁnd this important speciﬁcation you can:

1. Consult the Owner’s Manual Supplement

for your bike.

2. Ask your Cannondale Dealer.

3. Visit our website Tech Center at

http://www.cannondale.com/bikes/tech/ or

call us at 1-800-BIKE-USA.

WARN002

MAXIMUM FORK LENGTH

Your Cannondale bike frame was designed and tested to a speciﬁc MAXIMUM FORK LENGTH. See

below. Installing a fork with a MAXIMUM FORK LENGTH that is longer that speciﬁed for the frame,

can overload the frame causing it to fail and break suddenly while riding. A rider can be severely

injured or killed as a result.

Sag

Recommended Sag

for Scalpel

25%

of shock travel

Sag is the distance the bike suspension

compresses with a rider (wearing all appropriate

gear) mounted in a normal riding position

(seated, hands on handlebar and feet on the

pedals) on ﬂat ground.

The recommended sag for your bike is intended

to maximize the bike’s suspension travel and it is

usually speciﬁed as a percentage (%) of the fork

or shock’s total travel. See the “Speciﬁcations”

section in this manual.

Maintaining the recommended sag in both the

front and rear suspension helps assure that the

fork and shock travel operates normally without

the excessive top-out or bottom-out that can

lead to difﬁcult handling or damage.

CAUTION

Please read the fork/shock manufacturer’s

owner’s manual or the instructions provided

before attempting any set-up or adjustment.

CAUT001

Small adjustments to sag are performed by

adjusting preload of the shock or fork.This is done

by adding or removing spring shims, adjusting

the installed length of the spring with a preload

adjusting ring, or with air springs, changing air

pressure settings.

Larger adjustments to sag are require changing

the installed springs in the fork or shock.

Changing the spring may be a simple task or very

complex depending on the design of the fork or

shock. In general: increasing preload decreases

sag, decreasing preload increases sag.

Finding a suitable sag setting within the

suspension fork or rear shock range is a matter of

personal preference taking body weight and how

you ride into consideration.

Selecting Rear Shocks

WARNING

SELECT ONLY COMPATIBLE SHOCK/ FORKS

FOR YOUR BIKE. DO NOT MODIFY YOUR

BIKE IN ANY WAY TO MOUNT ONE. HAVE

YOUR SHOCK OR FORK INSTALLED BY A

PROFESSIONAL BIKE MECHANIC

• Riding with the wrong rear shock can damage

the frame. You could have a serious accident.

Make sure that the total travel,eyelet-to-eyelet

length, and stroke length of the rear shock you

select meets the speciﬁcations listed in this

manual.

• When selecting different shocks or forks for

your bike, make sure that the shock or fork you

select is compatible with your bike’s design

and how you will use your bike.

WARN003

Parts Identiﬁcation (Figure 6)

1. Upper Shock Bolt

2. Washer,12.5ODx6.5IDx1.6MMTHKSS

3. Nut (Nylock)

4. Lower Shock Bolt (M6x1.0x45mm, SHCS)

5. Lock Nut (Nyloc)

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