Shimano Altus RD-M310 Rear Derailleur - 78 Speed Long Cage Silver MPFN-IRD4700SS Quickly and accurately determine the

Quickly and accurately determine the wear and elongation of any chain

Different widths available to fit almost any rim

The Lynx crosses several categories: It's an excellent saddle for light all mountain setups yet the low profile design is also popular with freeride and downhill riders

Unlike an ordinary headset spacer

} Full case of Original 8oz Chamois Butter at a discount

Shimano Altus RD-M310 Rear Derailleur - 78 Speed Long Cage Silver MPFN-IRD4700SS Quickly and accurately determine theShimano Altus RD M310 Rear Derailleur 78 Speed Long Cage Silver. Shimano Altus RD M370 M310 Rear Derailleurs TECH SPECS Cage Length Long Chain Wrap Capacity (teeth) 43 Color Silver Drivetrain Speeds 7 Drivetrain Speeds 8 Largest Cog 34 Rear Der Shifter Compatibility Shimano Mountain Rear Derailleur Mount Type 10x1 Standard Weight 326