ITEM NAME:Mountain Bike Rear Derailleur Bracket 9 27 Speed Aluminum Alloy Bicycle Parts Description: Concave guide wheel screw Smooth/easy operation shifting performance Wide connection design for precise shifting and durability Simple design, easy to install and remove, convenient to use. Suitable for mountain bikes, road bikes and variable speed bikes etc. Specification: Material: aluminum alloy Model: RD-M390 Speed: 9 speed / 27 speed Colour: Black Specifications: Suitable for a variety of tooth change range (28-34T) Package Includes: 1 Piece RD-M390 Transmission SKU: ALU0032430066026900.Smooth/easy operation shifting performance. Wide connection design for precise shifting and durability. Material: aluminum alloy. Speed: 9 speed / 27 speed. Colour: Black. Specifications: Suitable for a variety of tooth change range (28-34T).
