Shimano BB-6207, 600EX
Main Photo
Category:  Bottom Brackets
Name:  Shimano BB-6207, 600EX
Brand:  Shimano
Primary Group:  600EX
Model:  BB-6207
Years:  1984 - 1987
Country:  Japan
Weight:  248 grams (avg)
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Added By: JFischer on 10/11/07
Updated By: MGTS on 03/10/15
Additional Photos - click for full size
Shimano BB-6207, 600EXShimano BB-6207, 600EXShimano BB-6207, 600EXShimano BB-6207, 600EXShimano BB-6207, 600EXShimano BB-6207, 600EXShimano BB-6207, 600EXShimano BB-6207, 600EX
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Bearing Size/Count per side1/4" / 11x11Spindle MarkingsSimano one key release [shell width] =(W)= [length] <52> [date stamp]
Fixed Cup MarkingsShimano Japan VIA [threadding]Adjustable Cup MarkingsShimano Japan VIA [threadding]
Spindle StyleSquare Taper (JIS)Axle MaterialCr-Mo
Available ThreadingsEnglish/ISO: 1.370 x 24;
French: 35mm x 1mm;
Italian: 36mm x 24
Length(s)116mm English; 119mm Italian
Tools NeededSpanner, Locknut Wrench and Fixed Cup Wrench  
General Information

English: 68-W-116  Italian: 70-W-119.  Computer Assisted Design (CAD), Sealed Mechanism.

Marked D-3L, appears symmetrical which would be 32-52-32mm

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Additional Resources
Resources:Reference & ChartsCatalogs
Component Groups
Primary Group NameBrandQuick InfoBrowse Group Components
600EX, 6200 seriesShimano1978 - 1987, Road RaceView 49 Components
Details:   The Shimano 600EX groupset was made in a multitude of variations and generations.  Often, more than one variation was being produced at the same time.  Included in the Shimano 600EX groupsets is the easily recognizable Arabesque group with detailed engravings and designs.  The 600EX group went from friction shifting at its introduction, to 6 speed SIS shifting later in the 1980'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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WeightSourceNotesAdded By
326 GramsUnknown JFischer
170 GramsActual68x116 spindle only MGTS
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