Sturdy and durable, easy to install and use.
Smooth/easy operation shifting performance.
Wide connection design for precise shifting and durability
Wide connection design, dual servo structure, low-key concept.
The 9-speed gear shift/brake handle offers ergonomically designed finger positions and trigger handles.
Product Name: RD-M390 Transmission
Material: Aluminum alloy
Speed: 9 speed / 27 speed
Specifications: Suitable for a variety of tooth change range (28-34T)
Recommended models: commuter mountain bike / folding model
Package Size: 15 x 10 x 8cm
– There might be little error of size for manual measurement.
– The colors deviation might differ due to different monitor settings, please kindly understand.
1x RD-M390 Transmission