Shimano Ultegra FC-R8100 12-Speed Crankset – 50/34T – Black – 170 MM

Features

• The Shimano Ultegra FC-R8100 12-Speed crankset with 50/34T chainrings cuts down on weight while maintaining the front-shifting precision and transmission efficiency Shimano riders know and love.
• Optimal balance of stiffness, strength, weight and rotational performance
• HollowGlide structure minimizes weight while maintaining strength for better power transfer and quicker, more precise front shifting

Specifications

• Best Use: Road Cycling, Road Cycling
• Material(s): Spindle: steel; chainrings: aluminum, Spindle: steel; chainrings: aluminum
• Weight: 700 grams, 700 grams
• Crankarm Length: 170 millimeters, 172.5 millimeters
• Bolt Circle Diameter: 110 millimeters, 110 millimeters
• Q Factor: 148, 148
• Bottom Bracket Compatibility: Shimano Hollowtech II, Shimano Hollowtech II
• Spindle Diameter: 24 millimeters, 24 millimeters
• Chainring Sizes: 50/34T, 50/34T
• Number of Chainrings: 2 Chainrings, 2 Chainrings
• Crankarm Material: Aluminum, Aluminum
• Included Components: Chainring, Chainring