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⚙️ Shift into the future with precision and power!
The Shimano Acera RD-M3020-SGS Rear Derailleur combines advanced Double Servo technology with a long cage design to deliver smooth, reliable shifting across 7 and 8-speed drivetrains. Built from durable aluminium and optimized for chain wrap capacity up to 45 teeth, it offers versatile performance for both casual and challenging rides. Highly rated for ease of adjustment and compatibility, this derailleur is a smart upgrade for riders seeking dependable drivetrain efficiency.
| ASIN | B0BGFBSYQ3 |
| Best Sellers Rank | 381,682 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 422 in Bike Rear Dérailleurs |
| Brand | SHIMANO |
| Brand Name | SHIMANO |
| Case Material Type | Aluminium |
| Colour | Black |
| Customer Reviews | 4.7 out of 5 stars 182 Reviews |
| Included Components | Rear Derailleur |
| Item Weight | 0.39 Kilograms |
| Item weight | 0.39 Kilograms |
| Manufacturer | SHIMANO |
| Manufacturer Part Number | ERDM30208SGSL |
| Material | Aluminium |
| Material Type | Aluminium |
| Model Number | ERDM30208SGSL |
| Mount Type | Braze-On Mount |
| Mounting type | Braze-On Mount |
| Number of Teeth | 45 |
| UPC | 192790897738 |
J**7
Calidad
Execelente
J**U
rapport qualite prix excellent
excellent produit facile a ajuster parfait pour mon vieux gary fisher monona 2008
J**F
Nice derailleur for reasonable price
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
hat sie gepasst auf meiner Cube, läuft gut
Schaltwerk fahrad
F**O
Shimano quality ⭐⭐⭐⭐⭐
Really good quality. Smooth gear change and works 👍🏽 great.
Trustpilot
5 days ago
2 weeks ago