The Shimano Acera RD-M3020-8 rear derailleur is designed for those who ride a 7- or 8-speed MTB or hybrid bike. The long cage handles sprockets of up to 40 teeth.
- For 7- or 8-speed MTBs and hybrid bikes, black
- Long SGS cage: handles sprockets of up to 40 teeth
- Total capacity of 45 teeth, suitable for wide-range gearing on climbs
- Mounts directly to a conventional derailleur hanger, without adapters
- Uses a Shimano HG 6/7/8-speed chain; not compatible with 11-28 cassettes
Technical specifications
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Model: RD-M3020-8 (Acera M3000 series)
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Speeds: 7/8
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Cage type: Long (SGS)
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Maximum sprocket size: 40
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Minimum sprocket size: 11-12
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Total capacity: 45 teeth
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Maximum difference between front chainrings: 20 teeth
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Compatible chains: Shimano 6/7/8-speed HG
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Mounting: Direct mount on a conventional derailleur hanger
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Colour: Black
