CeramicSpeed T47a Threaded BB Alpha Gravel Shimano Black

Save watts and ride faster with guaranteed lowest friction, optimized power transfer, and longest product lifetime- Covered by a lifetime warranty- Developed to improve upon the original CeramicSpeed BB, with every design element isolated, analyzed, and refined-each part carefully evaluated for opportunities to increase performance- 10% lighter- DUB specific cups for right setup with less spacers- Stainless steel races for longer durability- Refined light contact seals for 500% increased contamination protection without additional drag- Improved dustcover design for increased longevity and reduced maintenance- T47 bottom brackets utilize the oversized interface of PF30 and EVO386, but with the added benefit of a threaded interface- Road: Allround Grease