Shimano RD-7800 Dura Ace Rear Derailleur 9/10 Speed SS Silver New wide link design is lighter, more rigid and durable. The increased rigidity stabilizes the chain as it glides up and down the sprockets. Less play means rear indexed shifting is not only quicker, more precise and reliable, but it also insures better indexing over many more road miles. "it shifts like a brand new derailleur, even after 5000 miles", is how one pro-racer described it. And it's true. The reduced flex not only creates a more solid shifting system, it stays solid a lot longer. Combined with the new SP41 silicon grease injected cable housing, RD-7800 adds key advantages: lighter weight and crisp, instantaneous shifts that are 10% more efficient from lever to RD.
- Weight: 180g
- 9/10 Speed Compatible
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