Shimano Ultegra SM-FC6601 Road Bike Bottom Bracket

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 SM-FC6601 Bottom Bracket

If your road bike needs a trusted, smooth-spinning bottom bracket, this Shimano unit delivers dependable performance on every ride. Built to endure road conditions, it minimizes play and creaking so you can maintain clean cadence mile after mile. It’s professionally refurbished and ready to install, so you can upgrade with confidence without downtime.

Who is this for?

Road cyclists and DIY mechanics seeking a reliable, affordable, and ready-to-install bottom bracket for English-threaded frames. Ideal for riders upgrading a crankset or refreshing a worn drivetrain who value precise tolerances and long-term durability.

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