CeramicSpeed BSA 30 BB Coated Black for 30mm Triathlon No increased cable tension means

No increased cable tension means less wear to your shifting and braking systems

With a sleek Sportback design and high-quality materials

The Dual is small enough to nestle under a seat without scraping against your thigh

the innovative spider includes refined OCP Mount technology so you can now adjust your optimal chainring position by precise one degree increments

With XDR compatibility and a 12/142 size

CeramicSpeed BSA 30 BB Coated Black for 30mm Triathlon No increased cable tension meansBSA comes from British Standard Cycle, aka English threading. English threading on road bikes means a 68mm wide, 34mm inside diameter shell with reverse threading on the drive side. Its the most common threaded standard employed today. This kit allows you to fit 30mm thru axle cranks, like those from Rotor, to fit in the tight space of this 34mm spindle. Choose between two bearings for the cups. Standard Bearings have low drag thanks to hardened steel