Shimano SP-6400-B 600 Ultegra - Aero
Main Photo
Category:  Seat Posts
Name:  Shimano SP-6400-B 600 Ultegra - Aero
Brand:  Shimano
Primary Group:  600 Ultegra
Model:  SP-6400-B
Years:  1988 - 1995
Country:  Japan
Weight:  284 grams
Added By: JFischer on 07/25/07
Updated By: JFischer on 08/08/10
Additional Photos - click for full size
Shimano SP-6400-B 600 Ultegra - Aero Shimano SP-6400-B 600 Ultegra - Aero Shimano SP-6400-B 600 Ultegra - Aero Shimano SP-6400-B 600 Ultegra - Aero Shimano SP-6400-B 600 Ultegra - Aero Shimano SP-6400-B 600 Ultegra - Aero
MarkingsShimano 600 Shimano Japan VIA MaterialAluminum
Shaft DesignAeroSaddle Attachment StyleSingle bolt
Saddle Attachment Bolt Size(s)6mm Allen KeyOverall Length 200mm
Max Height Setback 
General Information
Aero style Shimano 600 seat post.  Uses one small allen key screw to adjust tilt, and a larger 6mm bolt to tighten rail clamp.
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Additional Resources
Resources:Reference & ChartsCatalogs
Component VariationsView Detailed List  Manage Variations
Variations of Component exist (Component is 1 of 2)BrandGroup
Shimano SP-6400-A 600 UltegraShimano600 Ultegra
Component Groups
Primary Group NameBrandQuick InfoBrowse Group Components
600 Ultegra, 6400 seriesShimano1988 - 1998, Road RaceView 32 Components

 Shimano added the word 'Ultegra' to their 600 group set in 1988 with the introduction of the 6400 series groupset.  Also often recognized by the tri-color stripe on many of the parts. 

The Ultegra group was developed to provide a high-performance racing type bicycle for amateur racers and performance oriented sports cyclists. Ultegra features polished bearing races, high strength steels, a striking modern colour treatment and compact high-tech design theme. This approach creates a new upgraded image for a fashionable high quality racing-type bicycle aimed at the performance cycling enthusiast. (1991 Dealer Manual)

Brand Information(click to expand)

Shimano Model Number Prefix List:

BB Bottom Bracket BL Brake Lever BR BRake
CB Coaster Brake CJ Cassette Joint CN ChaiN
CP Chain Protecto CR Chain Ring CS Cassette Sprockets
DF chain DeFlector DH Dynamo Hub FC Front Crank
FD Front Derailleur FE Fork Ends FH FreeHub
FS Front Suspension HB HuB HD HanDle bar
HP Head Parts (Head Set) HS Handle Stem IF Inter-3 Freehub
LP LamP MF Multi Freewheel PD PeDal
RD Rear Derailleur RH Rollerbrake Hub RM RiM
RR ReflectoRs RS Rear Suspension SB Shift Brake lever (Nexus, ?)
SC Speed Calculator (cycle computer) SF Single Freewheel Freilaufritzel SG Speed chanGe hub
SH SHoes SL Shift Lever Schalthebel SM SMall parts
SP Seat Post SQ Seat Quick release SS Single Sprocket
TL TooL WH WHeel ST Shift Brake Lever (STI, Rapid Fire, etc)
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