

⚙️ Shift into the future with Shimano’s precision power!
The Shimano Acera RD-M3020-SGS Rear Derailleur features advanced Double Servo technology for smooth, precise shifting across 7 and 8-speed drivetrains. Its SGS Long Cage design supports a high chain wrap capacity of 45 teeth, making it ideal for diverse riding conditions. Built from durable aluminium and weighing just 390g, it offers versatile compatibility with multiple front derailleur setups, ensuring reliable performance for both casual and challenging rides.
| ASIN | B0BGFBSYQ3 |
| Batteries included? | No |
| Best Sellers Rank | 370,756 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 379 in Bike Rear Dérailleurs |
| Color | Black |
| Customer Reviews | 4.7 4.7 out of 5 stars (164) |
| Date First Available | 30 Sept. 2022 |
| Department | Rear Derailleur |
| Included components | Rear Derailleur |
| Item model number | ERDM30208SGSL |
| Manufacturer | SHIMANO |
| Material type | Aluminium |
| Number of items | 1 |
| Product Dimensions | 17.81 x 2.13 x 10.31 cm; 390 g |
| Size | SGS Long Cage |
| UPC | 192790897738 |
J**7
Execelente
J**F
Works great on my wife’s bike after adjusting. Can handle larger cassette than older Acera Derailleur. Shift well. Using on a 1 by 8 speed cassette, shout also work with a 2 or 3 speed front derailleur.
A**A
Schaltwerk fahrad
G**C
Article arrivé en parfait état,dans le temps prévu.
D**S
Work good for my kids bike
Trustpilot
5 days ago
3 weeks ago