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Frequently Bought Together

Total price $179.98

Product Description

Brand: Shimano

Part Type: Rear Derailleur

Number of Speeds: 9 Speed

Model: Shimano Acera

Derailleur Cage Length: Long Cage

Mounting Type: Bolt-On

Compatible Bike Type: Mountain Bike

SHIMANO Acera RD-M390 9-Speed SGS Rear Derailleur – Long Cage – Black

Upgrade your drivetrain with the reliable Shimano Acera RD-M390 SGS Rear Derailleur, designed for smooth and precise shifting performance. As part of Shimano’s trusted ACERA M390 series, this derailleur offers durable construction and dependable operation for mountain bikes, trekking bikes, and everyday riding.

The SGS long cage design allows compatibility with wide-range cassettes and triple chainring setups, making it ideal for riders who need versatile gearing. Shimano’s Wide Link design improves rigidity and durability while ensuring consistent, accurate shifting performance on and off the trail.

Key Features

  • Model: RD-M390-SGS

  • Series: Shimano ACERA M390

  • Speed Compatibility: 7 / 8 / 9-Speed drivetrains

  • Cage Length: SGS (Long Cage)

  • Color: Black

  • Max Low Sprocket: 34T

  • Min Low Sprocket: 28T

  • Top Sprocket: 11T

  • Total Capacity: 45T

  • Pulley Wheels: 11-tooth guide and tension pulleys

  • Wide Link Design: Increased rigidity for precise shifting

  • Approx. Weight: 280 g

Condition

  • Brand New – Genuine Shimano OEM Part

  • May come without retail packaging (OEM packaging).

Package Includes

  • 1 × Shimano Acera RD-M390-SGS Rear Derailleur (Black)

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