The Shimano 105 Di2 RD-R7150 is a 12-speed wireless electronic rear derailleur with Shadow RD+ design.

• Series: 105 Di2 R7100, 12-speed
• Wireless signal from the shifters; integrated charging port, LED status and adjust switch
• Max. sprocket 36T (11-34 / 11-36 cassettes), total capacity 41T
• Max. front chainring difference 16T
• Direct mount, Shadow RD+
• Low-profile design to reduce crash damage