KMC 11 Speed 1/2" x 11/128" 118L Bike Chain

• Hi-Performance.
  
• Specially designed for road racing and time trial
  
• Extra light: Hollow outer and inner plate
  
• XX-Bridge and optimal chamfering design to ensure the best shifting performance and smoother chain and tooth interaction.
  
• Hydraulic Riveting for pins that can prevail against heavy loads and stressed shifting.
  
• Made from a specific alloy steel composition to reduce chain elongation which prolongs drive train life.
  
• Materials and design enhance efficiency for faster acceleration and lower rider energy input to maintain momentum. Improves drive train efficiency by 4%.
  
• Testing results for the X11TT show riding for one hour at 90RPM at 200W covered 5% more distance than the X11EL.
  
• Compatible with Shimano, Campagnolo and SRAM 11 speed systems. 1 x 11, 2 x 11, 3 x 11 118 Links.