Shimano BB-A550, RX100
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Category:  Bottom Brackets
Name:  Shimano BB-A550, RX100
Brand:  Shimano
Primary Group:  RX100
Model:  BB-A550
Years:  1990 - 1992
Country:  Japan
Weight:  327 grams
Added By: steel-is-real on 05/01/09
Updated By: JFischer on 08/03/09
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Shimano BB-A550, RX100Shimano BB-A550, RX100Shimano BB-A550, RX100
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Bearing Size/Count per side1/4" / 9x9Spindle Markings
Fixed Cup MarkingsAdjustable Cup Markings
Spindle StyleSquare Taper (JIS)Axle MaterialSteel
Available ThreadingsEnglish/ISO: 1.370 x 24;
French: 35mm x 1mm;
Italian: 36mm x 24
Length(s)113mm English; 115mm Italian
Tools NeededSpanner, Locknut Wrench and Fixed Cup Wrench  
General Information

Spindle (D-3H) 113mm for Shell Width of 68mm

Spindle (D-5H) 115mm for Shell Width of 70mm

Quality:Rarity:
 
 
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Additional Resources
Resources:Reference & ChartsCatalogs
Component Groups
Primary Group NameBrandQuick InfoBrowse Group Components
RX100Shimano1989 - 1999, Sport & RecreationView 14 Components
Details:   Shimano RX100 was designed to provide a feeling of both style and high performance to the affordable lightweight sport bike. Featuring advanced Shimano functions like SIS, HG sprockets and SLR brakes. RX100 gives the entry level road bike the potential for performance in the Shimano tradition. Optionally available in a striking pure white colour treatment. Shimano RX100 components make possible a fashionable sport bike that's as beautiful as it is affordable. 
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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