BessieSparks – RD-M390 Acera Rear Derailleur, 7 8 9 Speed MTB Bike Bicycle Derailleur

FEATURE:
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
Model: RD-M390
Speed: 9 speed / 27 speed
Colour: Black
Suitable for a variety of tooth change range (28-34T)
Recommended models: commuter mountain bike / folding model

PACKAGE:
1*RD-M390 transmission

Product Features

• 👍Aluminum alloy parts.
• 👍Countersunk head screw.
• 👍Smooth / light operation shifting performance.
• 👍Wide link design to improve the speed response ability and extend the service life.
• 👍100% GUARANTEE – We assure customers that our products are subject to stringent inspection and quality. Please feel free to contact us if there is any problem with the products, we will provide 90-DAYS WARRANTY and AFTER-SALES SERVICE.