Relocated top pulley wheel allows for 40 tooth maximum cog while still allowing for up to a 10 tooth difference in the chainrings

Low profile derailleur cage reduces collection of debris and potential for damage
Shadow clutch reduces chain slap and dropped chains, on-off switch allows for simple wheel changes

Externally adjustable clutch for easier spring tension adjustment
Optimized slant angle lowers shift effort while improving shifting and driving stability 

• Low 42T / Top 11T
  
• Efficient pulley teeth design for better shifting and smoother driving
  
• Chain stabilizer with easy adjust
  
• New Shadow design with optimized slant angle
  
• Carbon plate for lightweight