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| Category: | Hubs |
| Name: | Shimano FC-6401, 600 Ultegra |
| Brand: | Shimano |
| Primary Group: | 600 Ultegra |
| Model: | FC-6401 |
| Years: | 1990 - 1992 |
| Country: | Japan |
| Added By: | Crum on 11/07/17 |
| Updated By: | blacksand.aotearoa on 10/23/18 |
Additional Photos - click for full size |
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Gear Compatibility  | Cassette | Front Bearing Size/Count | |
| Rear Bearing Size/Count | | Rear Spacing | 126mm |
| Spoke Drilling | 28; 32; 36 | Flange Size | Low Flange |
| Gear Threading/Pattern | HyperGlide; UniGlide | Body Markings | Shimano 600 (FC-6401 on dustcap) |
| Axle Material | Steel | Shell Material | Aluminum |
| Additional Resources |
| Resources: |  Reference & Charts Catalogs |
| Component Groups |
| Primary Group Name | Brand | Quick Info | Browse Group Components |
| 600 Ultegra, 6400 series | Shimano | 1988 - 1998, Road Race | View 32 Components |
| Details: Shimano added the word 'Ultegra' to their 600 group set in 1988 with the introduction of the 6400 series groupset. Also often recognized by the tri-color stripe on many of the parts.
The Ultegra group was developed to provide a high-performance racing type bicycle for amateur racers and performance oriented sports cyclists. Ultegra features polished bearing races, high strength steels, a striking modern colour treatment and compact high-tech design theme. This approach creates a new upgraded image for a fashionable high quality racing-type bicycle aimed at the performance cycling enthusiast. (1991 Dealer Manual) |
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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