Shimano Altus RD-M310 Rear Derailleur - 78 Speed Long Cage Silver CheckoutTitle=Squirt Chain Lube Measures tension for all types

Measures tension for all types of spokes

Motion-sensing auto revert-to-transmit mode (AR)

Quickly adapts your 9mm quick release fork mount tray into a thru-axle mount

99mm Interface DUB Primary Color Black BB Inclusion No Crankset Material Carbon BCD Direct Mount SRAM 8 Bolt Crank Arm Length 172

Shimano Altus RD-M310 Rear Derailleur - 78 Speed Long Cage Silver CheckoutTitle=Squirt Chain Lube Measures tension for all typesThe 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 Largest Cog 34 Color Silver Rear Der Shifter Compatibility Shimano Mountain Rear Derailleur Mount Type 10x1 Standard