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1

2

3

4

5

6

1. Headset cone spacer
2. Top cap
3. Compression ring

4. 1 1/8” Bearing
5. 1 1/2” Bearing
6. Integrated Crown race

BICYCLE/FRAME INSTRUCTION GUIDE

TARMAC - PRO/S-WORKS SL2

Congratulations! The Specialized bicycle you have chosen is among 
the finest of advanced composite products available in cycling.
Carbon fiber is a very special material that requires particular care 
during assembly, storage and riding. This short form installation guide 
contains instructions and warnings, plus torque specifications.

Please read the following instructions. If you have any doubt regarding 
your mechanical ability and/or installation of this product, visit your 
local authorized dealer. Specialized recommends that components be 
installed on the frame using a torque wrench, by a qualified mechanic.

Please read the following Warnings. Because the failure to follow any 
Warning may result in a catastrophic failure of the frame, resulting in 
serious personal injury or death, this phrase may not be repeated in 
connection with each Warning.

To ensure the best assembly possible and to prevent any damage 
to the components or frame, follow all torque specifications. Please 
refer to the specific owner’s manual for mating component’s correct 
torque specifications. If the mating component’s recommended torque 
exceeds the frame’s recommended torque, use the lower torque spec. 
Due to torque considerations, not all components will be compatible.

WARNING! Failure to follow the torque specifications in this 
installation guide will void the warranty, but most importantly 
may result in damage to the frame which may not be visible. 
If the frame is damaged, this can result in loss of structural 
integrity, which may result in serious personal injury or death.

Bicycle components such as a handlebar, handlebar stem, seat post, 
saddle, brakes, all must be compatible with each other, the frame 
and the intended use. Any doubt regarding compatibility should be 
discussed with your local authorized Specialized retailer.

WARNING! When placing the frame and/or bicycle in a repair 
stand, clamp the stand to the seat post and not the frame. 
Clamping the frame can cause damage to the frame that may 
or may not be visible.

Refer to your seat post installation guide prior to installation. 
Specialized road frames have a 

27.2mm

 seat post diameter and require 

that the seat post have a tolerance of 27.08mm to 27.25mm.
The Tarmac SL2 frames use a seat post collar specifically designed for 
these frames. Use of a different collar can cause damage to the frame 
or seatpost, resulting in failure 

(see fig.1 for proper setup).

Tighten seat collar bolt to recommended torque of 55 in-lbf (6.2 N-m).

INSTALLING THE SEAT POST & SADDLE

Turn collar slot 180° opposite

from frame slot

Grease bolt threads

CHAMFER SEAT TUBE EDGES

• Full radius of top edge

• Along full length of frame slot

Fra

me

Slo

t

27.2mm

Fr

am

e

Slo

t

• SEAT TUBE I.D.

• SEAT POST O.D.

GREA

SE

FRAME SLOT

GREA

SE

Recommended Torque:

55 in-lbf (6.2 N-m)

Alloy shim

Fig.1

WARNING! Do not grease the seat tube surface that contacts 
the seat post. Grease reduces the friction that is critical to 
proper seat post grip. Remove any grease from the surfaces 
of the seat tube and seat post.

HEADSET

COMPONENT TORQUE SETTINGS

SPECIALIZED BICYCLE COMPONENTS

15130 Concord Circle, Morgan Hill, CA 95037    (408) 779-6229

Please note all instructions are subject to change for improvement without notice.
Rev.1, September 2007

THIS BRIEF INSTALLATION GUIDE CONTAINS IMPORTANT INFORMATION. 

PLEASE READ CAREFULLY AND STORE IN A SAFE PLACE.

The seat post is marked with a minimum insertion line, which is the 
minimum insertion required for the seat post to remain structurally safe. 

WARNING! Do not extend seat post above the minimum inser-
tion line. Extension beyond the minimum insertion line can 
result in failure.

WARRANTY

For the complete warranty provisions and any additional information, 
please refer to the Specialized Owner’s Manual or www.specialized.com.

TECH TIP:

 Specialized recommends the application of carbon 

assembly compound between the seat tube and post to increase 
friction. Recommended compounds can be found at www.tacx.com.  
See your authorized Specialized retailer if you have any questions.

Your Specialized frame does not require any head 
tube pre-installation preparation. All surfaces are 
already prepared from the factory, with the exception 
of greasing the cups. The lower bearing race (6) is 
permanently integrated into the fork steerer tube.

Upper Bearing: Use 42mm Campagnolo Standard com-
patible bearings.

Lower Bearing: Use 1.5” (52mm) bearings.

No tools required for installation or removal of bearings.

• Braze-on Front derailleur: Recommended torque is 44 in-lbf (5.0 N-m).

• Rear derailleur: Recommended torque for the rear derailleur is 70  
  in-lbf (7.9 N-m). Ensure that threads are clean prior to installation.

• Seat collar: Recommended torque is 55 in-lbf (6.2 N-m).

• Water Bottle Cage: Recommended torque is 35 in-lbf (4.0 N-m).    
  To avoid damage to the bottle cage frame rivets, ensure that  

 

  the cage doesn’t flex around the front derailleur clamp. If the cage  
  doesn’t clear the clamp, use longer bolts and spacers to help the  
  cage clear the derailleur clamp.

WARNING! Great care should be taken not to damage composite 
materials, including the frame and any composite components. 
Any damage may result in a loss of structural integrity, which may 
result in a catastrophic failure. This damage may not be visible in 
inspection. Before each ride, and after any crash, carefully inspect 
the bicycle for and dents, fraying, gouging, scratches through the 
paint, chipping, bending or any other signs of damage. Do not 
ride if the bicycle shows any signs of these signs. After any crash, 
and before riding any further, take the bicycle to an authorized 
Specialized retailer for a complete inspection.

BOTTOM BRACKET

Your Specialized frame does not require any bottom 
bracket pre-installation preparation. All surfaces are 
already prepared from the factory, with the exception 
of greasing the threads. It is acceptable to chase 
the threads if applicable and necessary. Do not face 
bottom bracket cups.

THREADED:

 Ensure that the bottom bracket shell 

threads are clean and greased prior to installation.

Recommended torque is 442 in-lbf (50 N-m).

OVERSIZED BB: 

Please refer to the carbon crank 

installation guide for assembly instructions and 
compatible tools.

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