The Shimano Tourney A070 crankset is compatible with 2x7 and 2x8 drivetrains and provides compact 50-34T gearing.
It uses a square taper bottom bracket interface and is available in 165 and 170mm crankarm lengths.
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.
Specifications
Series | TOURNEY A070 Series |
---|---|
Compatible BB Shell Width | 68mm, 70mm |
Compatible BB Type | Square Taper |
Axle length of BB-UN/ES | MM110 |
Chainring Combination | 50-34T |
Recommended BB | BB-UN300 |
Q-Factor | 169mm |
Chain Line | 43.5mm |
P.C.D. (mm) | Riveted |
Rear Speeds | 7/8 |