"What Our Gearhead® Experts Are Saying: ""Being able to swap between threaded, PF, or BB30 standards on the same frame is huge. I’ve used these inserts on older Niner builds and they’ve always been solid—no creaks, easy installs, and it’s awesome not being locked into one BB standard when rebuilding a bike."" We love the CYA Insert for the freedom it gives our CYA-equipped Niner frames. Instead of being locked into one bottom bracket standard, this aluminum insert system lets us choose what works best for our build—whether that’s a classic English threaded option or one of the many press-fit styles commonly used today. It’s a simple, durable way to future-proof our frame and make drivetrain swaps easy. Press-fit or threaded, road or trail, upgrades or full-on rebuilds—this insert keeps our setup adaptable. Each option installs cleanly into the CYA shell for a stable, creak-free interface that’s ready for miles of riding. For riders who like flexibility and long-term compatibility, it’s one of the smartest small components to keep in the toolkit."