Shimano Ultegra R8100 50-34T 172.5mm

An integral part of Shimano's new 12-speed road lineup, the Ultegra R8100 Crankset builds upon Shimano's legendary front shifting and transmission efficiency. With new refinements for seamless 12-speed shifting, this crankset brings next level performance to any rider's bicycle.

• Optimal balance of stiffness, strength, weight and rotational performance
• HOLLOWGLIDE structure cuts weight while maintaining strength for better power transfer and quicker, more precise front shifting
• HOLLOWTECH II design elevates pedaling efficiency while remaining incredibly lightweight
• Wider gear pitch increases clearance between chain and leading teeth, providing compatibility with more frames