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 bicycle derailleur
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
Packing list
Bicycle derailleur*1
Shimano Altus M370 3x9 Speed Shifter Trigger SL-M370 Shifters Left/Right/Pair
Speed: 3 x 9 Speeds ( Left 3 speed, Right 9 Speed )
Color: Black Weight: Around 260g
Suitable for on 7/8" (22.2mm) bars Including Shifter inner cables