Shimano RD-M640-SS Zee 10 Speed Top-Normal Shadow Plus Design Derailleur
ZEE provides a rock-solid platform to support aggressive riding on mountain trails. This is one groupset that gives you the confidence to find your flow and handle even the gnarliest of downhill rides. If you’re a newcomer to gravity riding, ZEE is the perfect place to start. Strong, durable crankset supports an aggressive riding style. Stable and silent operation with SHIMANO SHADOW RD+ short cage. Powerful, easily configurable disc brake set. *DH spec.