Shimano RD-M550 GS, Deore LX
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Category:  Rear Derailleurs
Name:  Shimano RD-M550 GS, Deore LX
Brand:  Shimano
Primary Group:  Deore LX M550 Series
Model:  RD-M550 GS
Years:  1990 - 1992
Country:  Japan
Weight:  321 grams (Actual)
Added By: Tommy on 01/18/10
Updated By: Slider74 on 04/19/18
Additional Photos - click for full size
Shimano RD-M550 GS, Deore LXShimano RD-M550 GS, Deore LXShimano RD-M550 GS, Deore LXShimano RD-M550 GS, Deore LXShimano RD-M550 GS, Deore LXShimano RD-M550 GS, Deore LX
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Outer Plate MarkingsShimano Deore LXInner Plate MarkingsGS (medium cage)
MaterialAluminum Alloy; SteelDesign CategorySlant parallelogram
Attachment Bolt Size5mm Allen KeyCable Attachment Bolt Size
Shifting SystemsShimano SIS
Shimano STI
Friction
Cable AdjusterYes
Cage LengthMediumMax Cog Size
Max Chain Wrap  
General Information
 
Quality:Rarity:
 
 
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Additional Resources
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Resources:Reference & ChartsCatalogs
Component Groups
Primary Group NameBrandQuick InfoBrowse Group Components
Deore LX M550 SeriesShimano1990 - 1992, Mountain BikeView 9 Components
Details:   Deore LX was the 3th highest grouppo in 1990 ranked below  Deore DX, then Deore XT, After XTR was introduced and Deore DX was dropped it would remain the 3rd highest grouppo in the Shimano MTB line up. Time period is 1990 onward.
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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