Shimano Ultegra FC-R8100 Crankset - 12-Speed 52/36t Hollowtech II Spindle Interface BLK

We’re a mission-driven bike shop based in Colorado. Every sale helps refurbish and donate bikes to those in need through Bicycles for Humanity Colorado.

Each item has been professionally inspected, thoroughly cleaned, carefully refurbished, and is ready for immediate use.

Shimano Ultegra FC-R8100 Crankset - 12-Speed 52/36t Hollowtech II Spin

With front shifting reliability as the foundation of a fast, smooth ride, this crankset translates watts into real-world acceleration. The Hollowtech II design balances stiffness and light weight, so you climb with less effort and descend with confident cadence. In short, it makes your 12-speed setup feel immediate, precise, and race-ready wherever you ride.

Who is this for?

Road cyclists and triathletes who demand crisp front shifts, efficient power transfer, and a durable upgrade path within a 12-speed Shimano groupset.

Each item is professionally packed and shipped next day. Select in-store pick-up at checkout and visit us if you are local!