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We will do our best to dispatch your order on the same working day if the order has been confirmed (and payment received) before 2:00 PM. The courier service will additionally inform you of the delivery date and time.
Double Servo rear derailleur with smooth, precise shifting performance and wide-range capability. The SHIMANO ACERA M3020-8 rear derailleur with Double Servo technology helps you ride challenging terrain with fewer interruptions.
Double Servo construction for smooth and precise shifting
Versatile performance and wide compatibility
Compatible with 7-speed and 8-speed rear cassettes/freewheels
Compatible chain: HG 8/7/6-speed
Top-Normal spring type: Double servo
Mount: Direct attachment (Conventional)
Long derailleur cage (SGS)
Cable adjuster
Max. front difference: 20T
Total capacity: 45T
Low sprocket Max.: 40T
Low sprocket Min.: 30T
Top sprocket Max.: 12T
Top sprocket Min.: 11T
Fluoric coated link bushings: 1
Pulley Teeth: 11T
Sunken type pulley bolt
Material: Aluminum/Steel
DOUBEL SERVO: SHIMANOs double servo-panta mechanism enables the rear derailleur to move in an optimum path. The guide pulley tracks the cogs closely while moving front to back, optimizing each shift. Perfect tracking contributes to the most accurate SIS shifting. Keeps rear derailleur guide pulley an optimum distance from each sprocket.
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