Shimano Acera RD - M3020 - 7/8 SPEED

Shimano Acera RD - M3020 - 7/8 SPEED gives you precise and smooth shifting, plus a wider range.

The Acera can be used for both 7 or 8 speed freewheel or cassette.

Features:

• Uses Double Servo technology for smooth shifting
• Versatile with compatibility for both 7/8 speed cassette
• 45T max capacity
• Direct bolt mount
• Compatible with 7/8 speed chains
  
• Long cage SGS