Shimano 600 (1st generation)
Main Photo
Category:  Hubs
Name:  Shimano 600 (1st generation)
Brand:  Shimano
Primary Group:  600
Model:  HB-200
Years:  Mid 1970's - ?
Country:  Japan
Weight:  235 grams (Spec),
Rear: 340g 5-spd / 345 6-spd
Added By: Wolfram Verktyg on 08/02/09
Updated By: flim on 11/28/21
Additional Photos - click for full size
Shimano 600 (1st generation)Shimano 600 (1st generation)Shimano 600 (1st generation)Shimano 600 (1st generation)Shimano 600 (1st generation)Shimano 600 (1st generation)Shimano 600 (1st generation)
Gear Compatibility FreewheelFront Bearing Size/Count3/16" 10 x 10
Rear Bearing Size/Count1/4" / 9x9Rear Spacing120mm
Spoke Drilling36Flange SizeLow Flange
Gear Threading/Pattern English/ISO: 1.375 x 24 TPIBody MarkingsShimano w/ Logo in center of hubs.
Axle MaterialSteelShell MaterialAluminum
General Information
I bought these hubs in 1976 to build up a set of cyclocross wheels. I wanted some cheap hubs in case I trashed them. List price was $17 and I paid $14 dealer cost. Shimano had just introduced the 600 series components. They were "supposed" to the same as DuraAce but without the nice finish. These hubs were far from that. I got tired of replacing bent rear quick release axles so I installed a Zeus solid track axle - same M10x1.0 threads as Shimano used. It solved the problem. I used these for 3-4 years of hard off road riding on cyclocross sewups. The bearings haven't been repacked since the late 70's but the hubs still spin smooth. Never broke a spoke or bent a rim either,
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Additional Resources
Resources:Reference & ChartsCatalogs
Component Groups
Primary Group NameBrandQuick InfoBrowse Group Components
600, First Gen / 6100 seriesShimano1975 - 1984, Road RaceView 24 Components
Details:   The first generation(s) of Shimano 600 parts.  Like the Dura-Ace group it came from some fairly humble beginnings appearing to be only a small step up from the recreational use components that Shimano was producing at the time. By the early 1980's, parts took on the 6100 series model numbers and the "Shimano 600 Series" name.  These parts continued to be produced for a few years after the introduction of 600EX, but was eventually phased out entirely by the end of 1984, about the time that Shimano introduced S.I.S. into the 600EX lineup.
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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