\n\t\t\tShimano Acera RD-M3020 7/8 Speed Rear Derailleur Long Cage (SGS)
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Features and Benefits:\n\t\t
\n\t\t\t- \n\t\t\t\tAcera mountain bike rear derailleur with light action operation and over-size pulleys for a wide gear choice
\n\t\t\t- \n\t\t\t\tOversize 13-tooth tension and guide pulleys to reduce noise and wear
\n\t\t\t- \n\t\t\t\tExtension spring and low-friction fluorine-coated link pivot bushing result in a light shifting action
\n\t\t\t- \n\t\t\t\tTop normal spring for use with Rapidfire shifters
\n\t\t\t- \n\t\t\t\tIG and HG chain, 7- and 8-speed compatible
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\n\t\tDouble Servo rear derailleur with smooth, precise shifting performance and wide-range capability.
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\n\t\tThe Shimano Acera M3020-8 rear derailleur with Double Servo technology helps you ride challenging terrain with fewer interruptions.
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\n\t\tThis derailleur can be used with 7 or 8-speed drivetrains, and is compatible with cassettes with a maximum low sprocket of between 30T and 40T.
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Technical specifications:\n\t\t
\n\t\t\t- \n\t\t\t\tSpeeds: 7/8-speed
\n\t\t\t- \n\t\t\t\tShifting: Mechanical
\n\t\t\t- \n\t\t\t\tMax. low sprocket: 40T
\n\t\t\t- \n\t\t\t\tMin. low sprocket: 30T
\n\t\t\t- \n\t\t\t\tTotal capacity: 45T
\n\t\t\t- \n\t\t\t\tCage length: SGS (Long cage)
\n\t\t\t- \n\t\t\t\tModel number: RD-M3020-8
\n\t\t\t- \n\t\t\t\tSeries: ACERA M3020 Series
\n\t\t\t- \n\t\t\t\tCompatible chain: HG 8/7/6-speed
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