Shimano Altus RD-M310 Rear Derailleur - 7 8 Speed Long Cage Black MFPN=78920 Dense knit construction for second-skin

Dense knit construction for second-skin softness

STEM SALT "COMP" topload stem

Flexible head adjusts and rotates to fit various bike sizes and styles

5 Thread Length (mm) 15 Axle Diameter (mm) 12 Over Locknut (mm) 142 Overall Length (mm) 171

Comp: Durable casing with wire bead and DNA rubber compound (60a)

Shimano Altus RD-M310 Rear Derailleur - 7 8 Speed Long Cage Black MFPN=78920 Dense knit construction for second-skinShimano Altus RD M310 Rear Derailleur 7 8 Speed Long Cage Black. The Shimano RDM310 Smart rear derailleur has a Wide Link design for increased rigidity and precise shifting. Oversized 15 tooth tensioner and 13 tooth guide pulleys reduce noise and wear SMART CAGE pulley plate provides more ground clearance Advanced light action with precise shifting Compatible with Shimano HG 6 7 8 speed chains TECH SPECS Largest Cog 34 Color Black Rear Der Shifter