Wheels Manufacturing BB30 to Shimano Thread-Together Bottom Bracket, Black
Spindle Interface Type Shimano Hollowtech II. Bottom Bracket Shell I.D. 42. We are out East at 3063 Columbia Ave. - Lancaster PA, 17603 & out West at 3225 Grande Vista Dr. - Newbury Park, CA 91320 & 165 Design Place, #105 - Sparks, NV, 89441.