Shimano 105 FC‑R7100 2×12-Speed Crankset (170 mm, 50‑34T, Glossy Black)

The Shimano 105 FC‑R7100 crankset brings high-end technology from Dura‑Ace and Ultegra into the reliable 105 lineup. Designed for modern 2×12-speed drivetrains, it delivers exceptional power transfer, precise shifting, and a clean aesthetic—all at an accessible price point.

Built with Hollowtech II crank arms and anodized aluminum chainrings featuring weight-saving resin ribs, you'll get outstanding stiffness and durability in a sleek glossy black finish. Perfect for road, gravel, or city riders who demand performance on a budget.

Features:

• Full compatibility with 2×12-speed drivetrains (Hyperglide+ compatible)

• 170 mm arm length, 110 mm BCD, Q‑factor ~148 mm

• Hollow aluminum arms with stiff-yet-light construction (~754 g)

• Chainring combo: 50 T outer ring / 34 T inner ring

• Rust-resistant anodized finish and precision engineered shifting

• Compatible with Shimano 12-speed HG chains (CN‑M7100, M8100, etc.)