Shimano
Shimano Tourney FC-A073 3x Front Crankset [Size: 170mm 50-39-30T]
- Size:
- 170mm 50-39-30T
Pairs well with
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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 170mm crankarm length.
Technologies
Hypderglide Sprockets - The distinctively designed Hyperglide sprockets incorporate specially positioned shift ramps and tooth profiles for improved chain control during shifting. Fast and responsive indexed shifting is the result. The HG cassette sprocket, which was developed for the MTB 10-speed system, underwent comprehensive optimization to achieve super-highly efficient shifting.
Features
Light operation and smooth shifting
DUAL SIS
SG-X chainring
Interchangeable with SHIMANO road front chainring 8/7-speed system
Specifications
| Series | TOURNEY A070 Series |
|---|---|
| Compatible BB Shell Width | 68mm, 70mm |
| Compatible BB Type | Square Taper |
| Axle length of BB-UN/ES | LL113 |
| Chainring Combination | 50-39-30T |
| Recommended BB | BB-UN300 |
| Q-Factor | 171.5mm |
| Chain Line | 45mm |
| P.C.D. (mm) | Riveted |
| Rear Speeds | 7/8 |
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