SHIMANO FC-R7100 crankset

The Newly Designed Crank Arms For The Perfect Balance Between Weight And Efficiency. The Crank, Formed With Hollow Aluminum Technology, Is Finished In A Beautiful Gloss Anodized Finish, Giving It A Luxurious Look. The Ribbed Rear Of The Chainrings Are Shimano 105´S Unique Design That Delivers Both Significant Weight Reduction And Tight Shifting Performance. Features: - Optimal Balance Between Stiffness, Strength, Weight And Rotational Performance - Hollowtech Ii Structure Improves Power Transfer By Providing The Same Strength At A Lower Weight Specifications: - Crank Arm Length: 170 Mm - Gear Combination: 34/50t - Q-Factor: 148 Mm - Recommended Bottom Bracket Threaded (Normal): Sm-Bbr60 - Recommended Bottom Bracket Press Fit: Sm-Bb72-41b