Shimano Altus RD-M310-Smart rear derailleur 8 speed.

SHIMANO ALTUS M310 rear derailleur with Smart Cage has a Wide Link construction that increases stiffness and ensures precise gear shifting.

Product Specification

• Shimano Group: Altus
• Model Code: RD-M310
• Weight: ~310 g
• Gear ratios: 7/8
• Color: Black
• Length of the Trolley: SGS
• Indexing: 2:1 (Shimano)
• Derailleur Pulleys:
  • Guide wheel: 13T
  • MegaPulley Tensioning Wheel: 15T
• Gear Capacity: 43T
• Mounting: Screw
• Material: Aluminum, Steel