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| Category: | Cranksets |
| Name: | Shimano GA-200, Dura-Ace First Gen |
| Brand: | Shimano |
| Primary Group: | Dura-Ace |
| Model: | GA-200 |
| Years: | 1973 - 1976 |
| Country: | Japan |
| Added By: | JFischer on 07/19/07 |
| Updated By: | MGTS on 03/12/15 |
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| Chainring Count | Double | BCD  | 130mm |
| BB Style | Square Taper (ISO) | Pedal Threads | 9/16" x 20 (English) |
| BB Length | 112, 113mm | Flutes | Crank Arm; Spider |
| Lengths | 165; 167.5; 170; 172.5; 175 | Arm/Spider Material | Aluminum Alloy |
| Front Markings | Dura-Ace inside flute on crank arm | Back Markings | [length] [date code] |
| Extractor Threading | 22x1mm (Standard) | | |
Optional chain guard on outer ring. This crankset got a face lift around 1977 with new chain rings and a rename as the FC-7110 which was produced into the early 80's. The 1975 Catalog shows the crankset as model GA-200. The 175mm length became avaliable in 1975. 167.5 and 172.5mm lengths were avaliable upon request only in 75 and after.
From the 1974 Catalog:
FC-201: 52/39 rings, 165mm, with chain guard, packed with BB and toolset
FC-202: 54/45 rings, 165mm, no chain gaurd, packed with BB and toolset
FC-203: 52/39 rings, 170mm, with chain guard, packed with BB and toolset
FC-204: 54/45 rings, 170mm, no chain gaurd, packed with BB and toolset
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| Quality: | | Rarity: | |
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| Component Groups |
| Primary Group Name | Brand | Quick Info | Browse Group Components |
| Dura-Ace, First Generation | Shimano | 1973 - 1976, Road Race | View 35 Components |
| Details: The introduction of Dura-Ace in the mid 1970's, along with the indroduction of the Shimano 600 group were Shimano's first attempts at a professional quality road racing component group. The first Generation Dura-Ace was updated and renamed the 7100 series by around 1977/78. |
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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