Shimano Altus RD-M370-SGS Rear Derailleur - 9 Speed, Long Cage Color:Black The SX Eagle derailleur features

The SX Eagle derailleur features the proven SRAM 1x-specific X-HORIZON design and easily facilitates 11-50t and 10-50t cassette capacity

Full length rubber sole enhances walking comfort

The original IA race bike ushered in a whole new paradigm of aerodynamic efficiency and airfoil design—and the IA 2

while still maintaining structural energy

Q-Rings have up to 5 OCPs (Road) or up to 3 OCPs (MTB)

Shimano Altus RD-M370-SGS Rear Derailleur - 9 Speed, Long Cage Color:Black The SX Eagle derailleur featuresLargest Cog: 34 Rear Derailleur Mount Type: 10x1 Standard Chain Wrap Capacity (teeth): 45 Cage Length: Long Rear Der Shifter Compatibility: Shimano Mountain Drivetrain Speeds: 9