NEW Shimano 105 FC-R7100 Crankset - 12-Speed, 110 Asymmetric BCD, Hollowtech II Spindle Interface, Black variant-size-4-5l safety and fun

safety and fun

Lid is interchangeable with Bivo Duo

25a durometer rubber

Surly Stainless 4-bolt Chainrings

5 – 1 1/8” tapered head tube

NEW Shimano 105 FC-R7100 Crankset - 12-Speed, 110 Asymmetric BCD, Hollowtech II Spindle Interface, Black variant-size-4-5l safety and funThe 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