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The Giant Vector Seatpost is built with Giant Composite Technology for lightweight, aerodynamic 
performance. To achieve the best riding experience and proper saddle height, the seatpost may need to 
be cut.

 

 

WARNING

 

·

 

Cutting the seatpost is a complicated task that should be performed by a professional 
mechanic.

 

·

 

If you have any doubts about your ability to cut the seatpost correctly, please contact an 
authorized Giant dealer.

 

·

 

Failure to follow these instructions will void your warranty, and could damage the frame 
and/or the seatpost, which may result in severe injury or death.

 

 

CAUTION: 

Use the carbon assembly paste for final installation, which could prevent the 

seatpost from slipping down and damaging the frame. It could also prevent possible creaking 
due to the friction between the frame and the seatpost.

 

 

Seatpost Cutting Procedure 

 

Determine the length to cut 
1.   

Install your saddle to the Giant Vector 
Seatpost and adjust the saddle to a horizontal 
position.

 

2.   

Adjust the seatpost up and down and 
determine the correct saddle height. If the 
saddle cannot be lowered far enough for 
proper fit, because the seatpost meets the 
seat tube curve inside the frame, the seatpost 
must be cut.

 

3.   

The seatpost should be cut at a 45-degree 
angle so that the bottom of the post slopes 
downward from the rear side to the front. This 
will help prevent damage to the frame if the 
seatpost is pushed too far down in the frame.

 

 
 

 

9  VECTOR SEATPOST AND SEAT CLAMP (NON-ISP) 

Length to cut 

 

Target Saddle height 

Maximum insert depth

 

30mm higher 

 

Seat tube curve   

shape

 

Summary of Contents for Propel Advanced SL Disc Series

Page 1: ...COMPOSITE BICYCLE 3 5 OVERDRIVE 2 HEADSET INSTRUCTION 4 6 COMPOSITE FRONT FORK 5 7 INTEGRATED SEATPOST ISP AND SADDLE CLAMP 6 8 ADJUSTING THE SADDLE OFFSET ISP 9 9 VECTOR SEATPOST AND SEAT CLAMP NON I...

Page 2: ...eral bicycle owner s manual or the parts manufacturers technical manuals that also came with your bicycle WARNING Be sure to thoroughly read and understand the warnings and instructions in this manual...

Page 3: ...is used on the clamping surfaces to prevent corrosion When adjusting always grease the bolt threads Grease reduces corrosion and allows you to achieve the correct tightness without damaging tools How...

Page 4: ...rmance with no additional weight The OverDrive 2 headset features massive 1 1 4 inch top and 1 1 2 inch bottom bearings and provides up to 30 percent more torsional steering stiffness Once the headset...

Page 5: ...Measure twice cut once 3 Do not clamp the composite steer with more than 8Nm of torque Over clamping force could damage the steer tube 4 A professional saw guide for steer cutting is must to be used...

Page 6: ...cutting instructions Step 1 Determine the length to cut Install the saddle onto the seatpost using the included saddle clamp mechanism Put the saddle in a horizontal position and then determine the le...

Page 7: ...the desired cut Be sure to double check your measurement Measure twice cut once CAUTION There is no way to restore the frame to a higher saddle height after the ISP is cut Please make sure your measu...

Page 8: ...3 mm 5 mm 10 mm 10 mm 10 mm HEIGHT 1 1 2 1 1 3 1 4 1 1 5 1 6 1 1 7 1 1 1 8 1 1 9 1 1 1 10 1 11 1 1 12 1 1 1 13 1 1 14 1 1 1 15 1 1 16 1 1 1 17 1 1 1 1 18 1 1 1 19 1 1 1 1 20 1 1 21 1 1 1 22 1 1 1 1 2...

Page 9: ...ult in serious personal injury or death Offset 15mm Offset 5mm ISP SYSTEM TORQUE VALUE WARNING Bolts that are too loose or too tight can cause to lose efficacy of saddle clamp Do not exceed the maximu...

Page 10: ...from slipping down and damaging the frame It could also prevent possible creaking due to the friction between the frame and the seatpost Seatpost Cutting Procedure Determine the length to cut 1 Instal...

Page 11: ...e curve shape when riding the bike WARNING Be slow and careful when inserting the seatpost into the seat tube Too much downward force may damage the frame and or the seatpost The minimum insertion of...

Page 12: ...shing the cutting process 8 Remove the saw guide and carefully sand down any burrs with fine emery paper Clean off the dust with a damp rag and discard it immediately 9 Install the saddle onto the sea...

Page 13: ...apter is not suitable serious personal injury may result CAUTION Only proper installation will bring out the best performance and comfort in your frameset Since the installation of the Press Fit BB ad...

Page 14: ...ion for installation of a bottom bracket into a Giant composite frameset Please refer to the specific manufacturer s enclosed guide for final crankset installation details Removing Push out firmly fro...

Page 15: ...Di2 front derailleur stopper 1 3 Di2 dust cap 1 C Di2 rear derailleur stopper 1 4 BB cable guide 1 E Di2 seatpost battery holder 1 5 Derailleur cable stopper 1 No Other parts 6 Rear drop out 1 D RideS...

Page 16: ...r O L D 142 RC length 405 Max Tire Size 700x25C Caliper Type Flat Mount Rotor type Center lock Commercial Size XS S M ML L XL Head Tube Length mm 120 135 150 170 185 200 Top Tube Horizontal Length mm...

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