Shimano 105 FC-R7100 Crankset - 172.5mm 12-Speed 52/36t 110 Asymmetric BCD Hollowtech II Spindle Interface BLK MFPN=820-02-578-KIT Gender/Age Adult Rotational Protection Yes

Gender/Age Adult Rotational Protection Yes Minimum Head Circumference 54 Color Concrete Grey Size Medium Visor Included Yes Multi Impact No Weight 410 Helmet Certifications Complies with the U

Its extra-wide range front double gearing and versatile 2x10/9-speed design give you the freedom to explore

Utilizes the super-fast carcass of the Racing Ralph

Simply enjoy your ride along the way

9 mm platform

Shimano 105 FC-R7100 Crankset - 172.5mm 12-Speed 52/36t 110 Asymmetric BCD Hollowtech II Spindle Interface BLK MFPN=820-02-578-KIT Gender/Age Adult Rotational Protection YesShimano 105 FC R7100 Crankset 172. 5mm 12 Speed 52 36t 110 Asymmetric BCD Hollowtech II Spindle Interface Black. The Shimano 105 FC R7100 12 speed crankset offers an optimized balance between lightweight and efficiency without sacrificing stiffness. The crank is formed with hollow aluminum technology and finished with a durable gloss black anodized. The resin ribs on the back of the chainrings are Shimano 105s unique structural design that achieves