Limited Edition CeramicSpeed PF4130 Bottom Bracket – BB86 to 30mm Spindle Coated Races Black | Bikeparts.Com

The CeramicSpeed BB86 bottom bracket 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 CeramicSpeed products with coated bearings include a 6-year warranty