Shimano FD-A451, Exage Sport
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Category:  Front Derailleurs
Name:  Shimano FD-A451, Exage Sport
Brand:  Shimano
Primary Group:  Exage Sport
Model:  FD-A451-B
Years:  1988
Country:  Japan
Weight:  105 grams
Added By: JFischer on 10/10/07
Updated By: Bilbo on 12/01/12
Additional Photos - click for full size
Shimano FD-A451, Exage SportShimano FD-A451, Exage Sport
# Rings Designed For DoubleOuter Plate MarkingsExage Sport
Inner Plate MarkingsFD-A451Clamp MarkingsSIS Shimano
Inner Clamp MarkingsDesign CategoryParallelogram
Pivot Arm MarkingsPlate MaterialSteel
Clamp Style28.6mm ClampCable Attachment Bolt5mm Allen Key
CableStop NoClamp Bolt Type5mm Allen Key
Max Ring Difference 14T  
General Information
Lower end Shimano component from the late 80's.
Quality:Rarity:
 
 
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Additional Resources
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Resources:Reference & ChartsCatalogs
Component Groups
Primary Group NameBrandQuick InfoBrowse Group Components
Exage SportShimano1988 - 1988, Sport & RecreationView 14 Components
Details:   Appears to be the best of the early Exage road groups.  Most likely replaced with the 500EX and RX groups later on in the 1990's. 
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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