Shimano - ACERA Rear Derailleur RD-M3020-8 8/7-speed

Shimano - ACERA Rear Derailleur RD-M3020-8 8/7-speed

Marsoni

M251S

$55.00

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

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Reviewed in the United States on June 5, 2026

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Ryan B.

Omaha, US

★★★★★ 5

True Detective

Format: Kindle

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Reviewed in the United States on June 2, 2026