Shimano - Ultegra 11-speed crankset - 2 chainrings - 50-34T - 170mm

Product information:

• The optimized and lightweight design of the crank arm produces excellent power transfer efficiency.
• HOLLOW TECH II
• FC for better compatibility with frames
• Speed ​​performance adjusted by the driver through various speed combinations
• A wider gear pitch increases the clearance between the chain and the main teeth to ensure compatibility with frames with OLD
• Crank weight minimized without sacrificing rigidity
• 11 speeds
• 50-34T
• *Damaged box, new product