E-Thirteen Base Bottom Brackets for 24mm Spindle Cranks

e*thirteen bottom brackets use ABEC 3 bearings and double lip seals in all e*thirteen bottom brackets enhance durability and reduce friction. All Bottom Brackets include our 1 year, no questions asked guarantee and are compatible with any cranks with 24mm spindles.Features:BSA and T47 standards, and 68, 68/73, and 83mm widths availableCustom bearings with ABEC 3 and double lip seals offer exceptional protection from the elements, durability, and less frictionFit 24mm spindle cranks