CeramicSpeed BB30 Bottom Bracket, Coated

A bottom bracket that offers bearings with extremely low friction, improved power transfer, and a service life that far exceeds traditional steel bearings.

- Grade 3 Silicon Nitride balls
- Coated races increase bearing service life by increasing hardness of race and reducing corrosion
- Reinforced polyamide cage and non-contact seals
- Hand built in Denmark

Specifications:
BB Shell Width (mm): 68 mm , 73 mm
BB/Frame Interface: BB30
Bottom Bracket Shell I.D.: 42
Defined Color List: Black
Weight: 40 g
Spindle Interface Type: BB30/PF30