Bontrager SEATPOST Manuel utilisateur

BONTRAGER SEATPOST OWNER'S MANUAL

Part Number ?

Figure 1- Bontrager seatpost

Table of contents

Read this manual before you ride

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Inspect your seatpost regularly

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Installation instructions

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3-4

Bontrager warranty

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Please read this instruction manual thoroughly before using your new

seatpost; it contains important safety and maintenance information.

If you do not understand the information in this manual, or you have a

question about your seatpost that this manual does not cover, consult your

Bontrager dealer. If you have a question or problem that your Bontrager dealer

can’t handle, contact us at:

Bontrager Components

920.478.4678

Attn: Customer Service

http://www.bontrager.com

801 W. Madison Street

Waterloo, Wisconsin 53594

READ THIS MANUAL BEFORE YOU RIDE

The seat, the part you sit on when riding a bike, is held in place by the

seatpost (Figure 2). The seatpost binder secures the seatpost in the frame.

Proper adjustment of each component is important for your comfort and

pedaling efficiency. This section explains how to inspect, adjust, and lubricate your

seatpost.

Inspect your seatpost regularly

Every month

inspect the seatpost quick-release lever, or

seat post binder bolt, and seat fixing bolt (Figure 2) for proper

tightness. Make sure the seat is secure by attempting to turn the

seat and seatpost in the frame, and attempt to move the front of

the seat up and down. If the seat rotates, is loose, or moves up

and down, tighten the binder bolt or quick-release, or seat fixing

bolt, and repeat the test. Never engage the seatpost binder with

the seatpost out of the frame.

Tighten the following bolts:

• Seat post binder (Figure 2): 85-125 lb•in (9.6-14.1 Nm),

or 65-80 lb•in (7.3-9 Nm) for a carbon fiber seatpost.

• Seat fixing bolt: 100-150 lb•in (11.3-17.0 Nm).

For a seatpost binder using a quick-release lever, the mechanism

works the same as a wheel quick-release. Adjust the lever tension,

and make sure it is in the

CLOSED

position.

Inspecting a carbon fiber seatpost

Unlike metal parts, carbon composite parts that have been damaged may not

bend, bulge or deform; a damaged part may appear to be normal to a cursory

glance. After any high force load, like a crash, or other impact to your bicycle,

thoroughly inspect your carbon composite seatpost:

• Check for scratches, gouges, or other surface problems.

• Check the part for loss of rigidity.

• Check the part for delamination.

If the part has any problems, do not ride the bike. Take the bike to your dealer

for replacement or further inspection.

Figure 2- Seatpost parts

Seat

fixing

bolt

Seatpost

binder bolt

WARNING

A damaged carbon fiber part can fail suddenly, causing

serious injury or death. Inspect a carbon fiber part for

damage frequently. If you suspect a carbon fiber part is

damaged, replace the part before riding, or take the bike to

your dealer for service.

Installation instructions

Bontrager Race, Race Lite, Race X Lite, and Race XXX Lite seatposts are only

compatible with saddles having mounting rails of 7mm diameter. If you are

not sure of the diameter of our saddle rails, consult your dealer.

Generally, it is easier to remove the saddle with the seatpost held firmly in

the bike frame. However, the old seatpost may be corroded slightly, making

removal or the seatpost difficult without the seat attached for leverage

and grip. These instructions explain how to remove a seatpost that may be

slightly corroded.

To remove an old seatpost

1. Loosen the seatpost binder bolt.

2. Twist the saddle to loosen and partially remove the seatpost from the frame.

3. Re-tighten the seatpost binder bolt.

4. Loosen the saddle clamp bolts enough to remove the saddle from the saddle

clamp.

5. Remove the seatpost.

To install the seatpost

1. Visually inspect the top edge and interior surface of the seat tube for burrs or

deformation that might mar the seatpost.

2. With your finger, again check the seat tube.

If there are any rough spots or burrs, remove them before going to the next step.

3. Grease the seatpost, except for models with a carbon fiber

seatpost tube.

Apply a light bearing grease to the seatpost where it inserts into the

seat tube. This helps prevent galvanic corrosion where the aluminum

seatpost can chemically bond to the steel, aluminum, carbon, or

titanium seat tube.

Some manufacturers tell you not to grease the seatpost with some

frames. As an example, Trek says that a special insert inside the

seat tube of OCLV carbon frames means you should NOT grease a

seatpost inserted into an OCLV frame. If you are unsure, check with

the manufacturer.

5. Insert the seatpost into the frame to its minimum insertion

mark.

6. Tighten the seat clamp bolt.

To install the saddle

1. Loosen the saddle clamp bolt (Figure 4).

2. Slide the saddle rails into the rail grooves of the compres-

sion wedges.

3. Adjust the tilt and

setback of the saddle

to your preference.

4. Follow the

Inspection

procedures to

tighten the saddle

clamp.

Figure 4- Exploded view of saddle clamp

Seat rail

clamp

Seat rail

clamp

Compression

wedge

Compression

wedge

Saddle clamp bolt

Figure 3- Bontrager saddle rails

clamping mechanism

Saddle rail

locations

Bontrager Warranty

Trek Bicycle Corporation warrants each new Bontrager component against

defects in workmanship and materials for the a period of one year from the date

of sale.

This warranty does not cover-

• Normal wear and tear

• Improper assembly

• Improper follow-up maintenance

• Installation of parts or accessories not originally intended for, or compatible

with, the wheels as sold

• Damage or failure due to accident, misuse, abuse, or neglect

• Labor charges for part replacement or changeover

This warranty is void in its entirety by any modification of the component or

its parts.

This warranty is expressly limited to the repair or replacement of a defective

item and is the sole remedy of the warranty. This warranty extends from the

date of purchase, applies only to the original owner, and is not transferable.

Trek is not responsible for incidental or consequential damages. Some states

do not allow the exclusion of incidental or consequential damages, so the above

exclusion may not apply to you.

Claims under this warranty must be made through an authorized dealer. Proof

of purchase is required.

This warranty gives the consumer specific legal rights, and those rights may

vary from place to place. This warranty does not affect the statutory rights of

the consumer.

To adjust the saddle tilt

1. Loosen the saddle clamp bolt several turns.

2. While tilting the saddle, apply pressure to the top of the

saddle directly above the saddle clamp.

Pressure on the saddle helps release the compression wedges.

3. Tilt the saddle to the desired angle.

4. Follow the

Inspection

procedures to re-tighten the saddle

clamp bolt.

To adjust the saddle height

1. Loosen the seatpost binder bolt, or quick-release.

2. Slide the seatpost up or down to your preferred saddle

position.

3. Make sure the minimum insertion mark (Figure 5) on the

seatpost is not visible above the bike frame. A minimum of 2

1/2 inches (64 mm) of seatpost must remain in the frame.

4. Re-tighten the seatpost quick-release, or bolt, as described in

Inspection

Figure 5- Minimum insertion

mark on seatpost

This line

must be

hidden

inside the

bike frame

WARNING

A seatpost that is positioned too high can damage the bike

and can cause you to lose control and fall. Make sure the

minimum insertion mark (Figure 5) is inside the frame.

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