ulofpc Acera RD-M390 Rear Derailleur 7 8 9 speed MTB bike bicycle Derailleur

Description

Acera RD-M390 rear derailleur 7 8 9-speed MTB bicycle transmission Derailleur Features: 1. concave guide wheel screw 2. Smooth/easy operation shifting performance 3. Wide connection design for precise shifting and durability 4. Wide connection design, dual servo structure, low-key concept. 5. A variety of specifications to choose from specification: Product Name: RD-M390 Transmission Material: aluminum alloy Weight: 500g Series: ACERA Model: RD-M390 Speed: 9 speed / 27 speed Colour: Black Specifications: Suitable for a variety of tooth change range (28-34T) Recommended models: commuter mountain bike / folding model Reminder: 1. All pictures are professionally color-coded, but due to the different ambient light and different display device settings, there may be some deviations between the pictures you see and the items themselves. Please understand. 2. The data is measured manually, there may be some deviation, but it does not affect the use.Package Including1*RD-M390 transmission