![World Class Bikes](https://cdn.shoplightspeed.com/shops/624584/themes/6715/assets/logo.png?20240621213220)
![World Class Bikes](https://cdn.shoplightspeed.com/shops/624584/themes/6715/assets/logo-white.png?2024062121461120201219173038)
Login
Log in if you have an account
Register
By creating an account with our store, you will be able to move through the checkout process faster, store multiple addresses, view and track your orders in your account, and more.
Create an accountSpecs:
- Double Servo mechanism enables the rear derailleur to move in an optimum path
- Versatile performance and wide compatibility
- SGS Long cage
- Rear Derailleur Mount Type: 10x1 Standard
- Chain Wrap Capacity (teeth): 45
- Rear Der/Shifter Compatibility: Shimano Mountain
- Cage Length: Long
- Drivetrain Speeds: 7/8
- Color: Black
Add your review
Review Shimano RD-M3020-8 Acera 7/8 Speed SGS Long Cage Derailleur Black