The Shimano Dyna-Sys XT M781 GS 10-speed rear derailleur gives you effcient shifting with out question. The derailleur has a longer swing arm and tighter spring for crisper shifting. going through rough terrain this helps prevent the dreaded ( ghost shifting) . The Dyna-Sys rear derailleur stays in adjustment longer delivering you consistent performance.
- Stronger return spring for crisper shifting
- Longer swing arm for quicker shifting
- Less chain-slap
- Capacity : GS 35T
- Weight: 234 g