Profile Design 43ASC User manual

43ASC Extensions
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43ASC EXTENSIONS
REVISION 01-10-27-2022

43ASC Extensions
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INTRODUCTION
Thank you for purchasing this set of Profile Design Aerobar Extensions. These instructions apply to the 43ASC.
Please read these instructions thoroughly before attempting to install this item. Proper installation is required for compliance with Profile Design's
warranty policy. If you are not familiar with installation of Aerobars or their accessories, please seek the assistance of your local Profile design dealer
by logging on to www.profile-design.com and using "dealer search" or by calling Profile Design's customer service number p.# 888.800.5999.
Note to Dealers: If you install this product for the consumer, please provide him/her with this owner’s manual after installation.
Tools and materials required:
• Assembly compound such as Finish Line Fiber Grip™
• Cutting guide
• Hacksaw with a 32T blade for Carbon Extensions
• Half round file
• Electrical/Insulation tape
• Clean, lint free cloth

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Your Extension kit should contain:
Optional accessories compatible with these extensions:
WARNING: Periodically check the extension for damage, particularly for scratches through the clearcoat (carbon parts) that could lead to
degradation and weakening of the base material. Replace your extension if you notice any damage from use or accident.
• Two (2) extensions (Carbon)
• Two (2) grip end bar plugs
• Two (2) cable exit bar plugs
• Aeria II Series Brackets
• Sonic Series Brackets
If anything is missing from the extension kit please contact your dealer.

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01 02
03
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COMPONENT LIST
QTY.
Req.
Part.#Ref.# Part Description
1852289 43ASC 400mm Carbon UD Matte Black W/Black Logo Left(A) V2
2852290 43ASC 400mm Carbon UD Matte Black W/Black Logo Right(B) V2
3
4
1
1
716669 End Plug - Round Carbon (Front)
716667 End Plug - With Slot Hole / Logo (Rear)
2
2
43ASC 400mm

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PART DRAWINGS
L R L R
400 mm
110 mm
68 mm
33 mm
107 mm
43°
12.5°
80 mm
27 mm

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PRODUCT SPECIFIC SETUP LIMITATIONS
40 mm
10 mm

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01
TORQUE SETTINGS
1Extension clamp M6x15mm 6Nm (53 inlbf)
Ref.# Location Bolt Size Torque

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INSTALLATION INSTRUCTIONS
1. Install the extensions in the desired position and tighten the extension fixing bolt
so they are held snugly.
2. Install the shifters as per the shifter manufacturer’s instructions. We recommend
a light coating of assembly compound on the inside of the extension prior to
installing the shifter.
3. Install the cables as per instructions from the shifter manufacturer.
4. Check the placement of the brackets and extensions then use a torque wrench to
tighten the extension clamp.
Assembly compound
Threadlocker

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1. Carefully determine the required extension length by performing a bike fit or measuring the
existing extensions.
2. Mark the point at which you wish to make a cut.
3. We recommend checking your measurements after first marking the cut line to ensure that you do
not inadvertently cut the extensions too short.
4.Mount the cutting guide securely in a vice. Then place the extension in the guide and line up the
marked cut line with the slot in the cutting guide.
5. Using the hacksaw, make firm strokes of the blade through the guide, allowing the blade to do
the work. Do not apply excessive force to the hacksaw as you risk snapping the blade and the
possibility of injury.
6. Repeat the process for the second extension.
7. Once you have cut both extensions, use the half round file to remove any sharp edges from both
the interior and exterior faces of the extension.
a. For carbon a 32T or carbon specific blade is recommended. Wrap the extension with insulation
tape at the cut line to limit the risk of splintering the carbon at the blade exit point.
b. When cutting carbon, wear a breathing mask, gloves and eye protection then dispose of the dust
residue carefully. Airborne dust particles are a respiratory hazard.
HOW TO CUT THE EXTENSIONS

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• Profile Design Worldwide Two Year Limited Warranty.
• Profile Design, LLC (distributor) warrants to the original retail purchaser ("you") that the Profile Design product for which you received
this warranty is free from defects in material and workmanship for (2) two years from the date of original retail purchase. For more
details on this warranty, its exclusions and/or how to make a claim under the warranty please call +1 310.747.0085 extension 161 or visit
www.profile-design.com/pages/warranty
WARRANTY POLICY

43ASC Extensions
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2677 El Presidio Street
Long Beach, CA 90810
Ph: 310-884-7756
w
ww.profile-design.com
© Profile Design LLC