★★★★★ 5
Perfect
Color: Black
It arrived super fast and in perfect condition.
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Reviewed in the United States on January 18, 2026
Shimano - ACERA Rear Derailleur RD-M3020-8 8/7-speed
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Shimano - ACERA Rear Derailleur RD-M3020-8 8/7-speedDouble Servo construction for smooth and precise shifting Versatile performance and wide compatibility Max. low sprocket: 40T Total capacity: 45T Product Description The SHIMANO ACERA M3020 8 rear derailleur with Double Servo technology helps you ride challenging terrain with fewer interruptions. Product Specifications Rear Speed 7 8 Speed Average weight Color Black Pulley cage SGS Rear speeds 8 Low sprocket Min. 30T Low sprocket Max. 40T Rear speeds
Quick Dispatch:
Your Shimano - ACERA Rear Derailleur RD-M3020-8 8/7-speed orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your Shimano - ACERA Rear Derailleur RD-M3020-8 8/7-speed ships.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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