Crankset (3x8/7-speed)
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FEATURE
- DUAL SIS
- SG-X chainring
- Interchangeable with SHIMANO road front chainring 8/7-speed system
- 165mm, 170mm crank arm length available
- BB-UN26
- 50-39-30T, chain guard
BENEFIT- Light operation and smooth shifting
TECHNOLOGIES
PRODUCT SPECIFICATIONS
| MODEL NO | FC-A073 |
|---|---|
| SERIES | SHIMANO TOURNEY A070 Series |
| Color | Series color, - |
| Threaded BB shell width_70mm | X |
| Axle length of BB-UN/ ES (mm)_Threaded (normal) | LL113 |
| Chain line (mm) | 45 |
| Chain ring combination | 50-39-30T |
| Compatible BB type_Square | X |
| Compatible chain | HG |
| Crank arm length (mm)_165.0 | X |
| Crank arm length (mm)_170.0 | X |
| Gear arms | 5 |
| Optional chain guard_With bash guard | X |
| Optional chain guard_Without chain / bash guard | X |
| P.C.D. (mm) | Riveted |
| Rear speeds | 7/8 |
| Recommended BB_Threaded (normal) | BB-UN26 |
| Threaded BB shell width_68mm | X |
| Crank arm fixing bolt_Without | X |
| Q-factor (mm) | 171.5 |
SERIES LINE-UP
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Bottom Bracket Cartridge Bottom Bracket
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Crankset Crankset (2x8/7-speed)
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Front Derailleur Front Derailleur (2x7-speed)
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Front Derailleur Front Derailleur (3x7-speed)
