Dura Ace ST-R9120

The DURA-ACE ST-R9120 hydraulic disc brake, dual control lever providing quick and intuitive shifting operation with a shorter lever stroke, redesigned internal shifting unit and lighter front shifting operation.

• SERVO WAVE
  
• Mechanical shift
  
• Hydraulic disc brake
  
• Mineral oil
  
• Consistent braking performance in all weather conditions
  
• Reach adjustment range (10.9 mm)
  
• Clamp band diameter – 23.8-24.2 mm
  
• Recommended brake caliper (not included): BR-R9170
  
• Recommended brake hose kit (not included): SM-BH90-JK-SSR

Attributes