Easton bottom brackets have been developed for use in combination with Easton EC90 SL cranksets. Bottom brackets are an essential part of the bicycle that is often overlooked, but Easton saw it as an opportunity for performance gains and improved efficiency.Low viscosity grease and optimized fill percentage hits the perfect balance between durability and minimal frictionBearing seals have a very low level of drag while retaining excellent protection qualities and keep contaminants outItem SpecificationsWeight91BB/Frame InterfaceEnglishSpindle Interface TypeRaceFace/Easton CINCHBB Shell Width68Defined ColorBlackBottom Bracket Shell I.D.1.37