SHIMANO TOURNEY Road Crankset 3x8/7-speed
FC-A073
SHIMANO TOURNEY A070- Road Crankset 3x8/7-speed
The SHIMANO TOURNEY A070 crankset is compatible with 3x7 and 3x8 drivetrains and provides wide range 50-39-34T gearing with a chain guard. It uses a square taper bottom bracket interface and is available in 165 and 170mm crankarm lengths.
FEATURES
- Light operation and smooth shifting
- 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
PRODUCT SPECIFICATIONS
| MODEL NO | FC-A073 |
|---|---|
| SERIES | SHIMANO TOURNEY A070 Series |
| Color | Series color | Series color |
| Remarks | 150 mm spec. available for 42-34-22T (Black) * Bottom bracket Spec for Chain line 50 mm |
| Rear speeds | 8/7 - 8/7 |
|---|---|
| Compatible chain | HG 8/7/6-speed |
| Chain line (mm) | 45 - 45 |
| P.C.D. left / right (mm) | Riveted |
| O.L.D.|Thru (mm) | 142 |
| O.L.D.|QR/Nut (mm) | 135 |
| P.C.D. (mm) | Riveted - Riveted |
| Spider/gear arms | 5 |
| Chainring combination | 50-39-30T | 50-39-30T |
| Q-factor (mm) | 171.5 |
| Crank arm length (mm)|165 | ✔ |
| Crank arm length (mm)|170 | ✔ |
| Optional chain guard|With bash guard | ✔ |
| Optional chain guard|With chain guard | ✔ |
| Optional chain guard|Without chain/bash guard | ✔ |
| Compatible bottom bracket type|Square | ✔ |
| Recommended bottom bracket|Threaded (normal) | BB-UN300 | BB-UN300 |
| Axle length of BB-UN/ES (mm)|Threaded (normal) | LL113 | LL113 |
| Threaded bottom bracket shell width (mm)|68 | ✔ |
| Threaded bottom bracket shell width (mm)|70 | ✔ |
