SHIMANO DURA-ACE DI2 12S REAR DERAILLEUR

The fastest shifter for the widest range of DURA-ACE ratios. It integrates the system's charging port and a wireless linkage unit, offering super-fast and precise shifting. A unique cage length compatible with 28-34D sprockets offers new versatility to the world's best road component group.

SHIMANO DURA-ACE DI2 12S REAR DERAILLEUR MAIN FEATURES:

• Faster shifting than ever: +58% over the previous Dura-Ace RD-R9150 shifter.
• Compact design includes built-in wireless unit, charger and switch.
• LED status indicator for battery, pairing (Pairing), adjustment mode, etc.
• Wider ratio range: maximum sprocket up to 34D.
• Built-in charging port for EW-EC300 connector.
• Connection port for SD300 cable.
• Bluetooth® LE / ANT+ wireless connection.
• Shadow RD low-profile cage design.

SPECS

• Usage: Road.Series:
• Dura-Ace.Speeds: 2x12.
• Gear material: Aluminum.
• Cage material: CFRP.
• Sprocket (minimum / maximum): 11 / 34D.
• Pulleys (upper / lower): 11 / 11.
• Pulley bearings: Steel.
• SD300 connection ports: 1.
• Charging port for EW-EC300: 1.
• Weight (manufacturer): 215 gr.

ITEM NUMBER

IRDR9250F