Shimano XTR mountain bike race and professional level groupset; top notch MTB rear derailleur. Designed with MTB cross-country racing and training in mind, this derailleur is effective under heavy loads and provides elite shifting. Medium length profile (GS) for mountain bikes with 11-speed (wide flange) or 12-speed cassettes.

• Teeth capacity: 35T
• Small sprocket maximum: 10T
• Large sprocket minimum: 45T
• Compatible chain: CN-M9100