Shimano 105 FC-R7100 Crankset - 165mm 12-Speed 50/34t 110 Asymmetric BCD Hollowtech II Spindle Interface BLK MFPN=ISMCRM95A4 The hexagonal anti-roll feature prevents

The hexagonal anti-roll feature prevents any bothersome rolling away at the workplace

PCU handle

Included are a nylock nut and stainless washers to keep things snug

The product of an intense and in-depth research and development program

Shimano 105 FC-R7100 Crankset - 165mm 12-Speed 50/34t 110 Asymmetric BCD Hollowtech II Spindle Interface BLK MFPN=ISMCRM95A4 The hexagonal anti-roll feature preventsThe 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 105's unique structural design that achieves both through weight reduction and crisp shifting performance. Optimal balance of stiffness strength weight and