Shimano RD-A450, Exage Sport
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Category:  Rear Derailleurs
Name:  Shimano RD-A450, Exage Sport
Brand:  Shimano
Primary Group:  Exage Sport
Model:  RD-A450
Years:  1988
Country:  Japan
Weight:  302 grams
Added By: JFischer on 10/10/07
Updated By: Bilbo on 12/01/12
Additional Photos - click for full size
Shimano RD-A450, Exage SportShimano RD-A450, Exage Sport
Outer Plate MarkingsExage SportInner Plate MarkingsShimano RD-A450
MaterialAluminum Alloy; SteelDesign Category
Attachment Bolt Size5mm Allen KeyCable Attachment Bolt Size5mm Allen Key
Shifting SystemsShimano SIS
Shimano STI
Friction
Cable AdjusterYes
Cage LengthShortMax Cog Size28
Max Chain Wrap28T  
General Information
Lower end Shimano component from the late 80's, but still more than enough to get the job done.  Was designed during the 7sp era, but certainly could work with any shimano 6,7 or 8sp set of shifters.
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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