Name: Shimano Acera RD-M3020-SGS Rear Derailleur - 7/8 Speed Long Cage Black
Brand: Shimano
SKU: ERDM30208SGSL
Price: 41.0 USD
Availability: InStock

Shimano Acera RD-M3020-SGS Rear Derailleur - 7/8 Speed Long Cage Black

$41.00

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Free Domestic shipping

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Backordered, shipping soon

The Shimano Acera RD-M3020 rear derailleur features Double Servo technology to provide smooth precise shifting and helps you ride challenging terrain with fewer interruptions.

Double Servo mechanism enables the rear derailleur to move in an optimum path

Versatile performance and wide compatibility

SGS Long cage

Rear Der/Shifter Compatibility	Shimano Mountain
Rear Derailleur Mount Type	10x1 Standard
Drivetrain Speeds	7
Chain Wrap Capacity (teeth)	45
Cage Length	Long
Color	Black
keyword search	3020

Shipping Policy

Components:

All component items (wheels, drivetrains, suspension, brakes, etc.) ship within 1–4 business days of purchase.

Bicycles:

Complete bikes typically ship within 2–3 weeks due to build, tuning, and inspection times. You will receive tracking information as soon as your order is ready to ship.

Riding Gear & Apparel:

Riding gear and apparel orders (helmets, jerseys, gloves, etc.) ship within 1–3 business days.

Returns & Exchanges:

If you received the wrong size or wish to exchange an item, it must be returned in original condition—unused, uninstalled, and with all packaging intact.

For full details, please see our Refund Policy before initiating a return.

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Built with care

Ready for Adventure 🚴‍♂️

Every bike that leaves our shop is more than just a machine—it’s a promise of quality. From the moment you choose your ride, our expert team gets to work, hand-building and prepping each bike with precision. We meticulously inspect every component, fine-tune the details, and run thorough safety checks to ensure everything is dialed in perfectly. Because when you hit the road or trail, you deserve a bike that’s ready for anything.

Ride with confidence—crafted by us, powered by you. 🌟

Passion drives us

At SpokeX Bike Co., bikes aren't just our business — they’re our way of life. As a rider-owned and operated shop, every decision we make comes from firsthand experience on the trail, at the race, and on the open road. We know what it’s like to chase a new line, push through the pain cave, and celebrate the ride — because we live it every day.

Shimano Acera RD-M3020-SGS Rear Derailleur - 7/8 Speed Long Cage Black

Shipping Policy

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