Shimano Zee RD-M640

Shadow Plus RD • Min cog: 11 • Max cog: 28(DH)/36(Freeride) • For single ring set-up • Total capacity: 25 • Shimano Dyna-Sys 10 speed transmission

• Maximum Cog: 28/36T
• Minimum Cog: 11T
• Primary Color: Black
• Cage: SS
• RD Capacity: 25T
• RD Spring Type: Shadow Plus
• RD Weight: 268g
• Speed: 10
• Mount: Standard

Special order - ships in 5-10 days from Hawley/Lambert.