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| Category: | Bottom Brackets |
| Name: | Shimano BB-7500, Dura-Ace (Track) |
| Brand: | Shimano |
| Primary Group: | Dura-Ace 7500 |
| Model: | BB-7500 |
| Years: | 1977 - Mid 1980's |
| Country: | Japan |
| Weight: | 266 grams (Actual), English |
| Added By: | JFischer on 01/06/08 |
| Updated By: | onespeedbiker on 06/22/14 |
Additional Photos - click for full size |
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| Bearing Size/Count per side | 1/4" / 9x9 | Spindle Markings | Shimano 68=(S)=107 NJS [Date Code] |
| Fixed Cup Markings | Shimano Japan [threading] NJS | Adjustable Cup Markings | Shimano Japan [threading] NJS |
| Spindle Style | Square Taper (ISO) | Axle Material | Steel |
| Available Threadings | English/ISO: 1.370 x 24;
French: 35mm x 1mm;
Italian: 36mm x 24 | Length(s) | |
| Tools Needed | Spanner, Locknut Wrench and Fixed Cup Wrench | | |
| Additional Resources |
| Resources: |  Reference & Charts Catalogs |
| Component Groups |
| Primary Group Name | Brand | Quick Info | Browse Group Components |
| Dura-Ace 7500 | Shimano | 1977 - 1984, Track | View 9 Components |
| Details: The Dura-Ace 7500 group is a track / fixed gear groupset produced by Shimano at approximately the same time as their Dura-Ace 10 group. The 7500 series however did not use the 10-pitch design, but a standard chain and tooth size. |
| Group Name | Brand | Quick Info | Browse Group Components |
| Dura-Ace 10, 7000 series | Shimano | 1977 - 1984, Track | View 8 Components |
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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