Shimano Altus RD-M310 Rear Derailleur - 78 Speed Long Cage Silver ModelNumber=MPDW15 Rails: Available in Carbon or

Rails: Available in Carbon or Titanium for multiple options in weight and durability

5 CTF-R 21

Enough space for extra rain jacket

The new Super Record Wireless Cranksets are designed to efficiently transmit every possible watt of power to the road for uncompromising perfomance

65 Diameter 12 Cable Style Coiled Lock Type Combo Lighted

Shimano Altus RD-M310 Rear Derailleur - 78 Speed Long Cage Silver ModelNumber=MPDW15 Rails: Available in Carbon orThe 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