The Acera component group is characterized by three keywords: Accurate, Precize and Stylish. This group provides accurate shifting with less pedaling power loss, strong braking power and excellent braking efficiency for precize speed control and an exciting stylish design and slim profile.
Smooth/light action shifting performance
Ergonomic lever shape designed
Visible OGD to confirm the gear position at a glance
Best balance of SL & BL cable routing
Noiseless with bumper stop (ST-M390)
Shift Lever Type: Rapidfire Plus
Cassette Compatibility: 9-speed SIS
Bar diameter: Ø22.2 мм.
Optical Gear Display
Cables: Stainless steel
Shift Cable Casing: OT-SP40
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