This is Shimano's XTR M9100-GS Rear Derailleur. This derailleur features 28mm better ground clearance compared to the M9100-SGS rear derailleur for rockier, rootier, and more aggressive trails. The extra cog of 12 speed gives you more range and allows for smaller jumps between cogs to help you find the right gear.
- 28mm Extra ground clearance
- Decreased tension at low gear position to prevent high chain tension
- Bigger 13T pulley
This product was added to our catalog on May 3, 2019