FSA PowerPro JIS Cartridge Bottom Brackets. Includes bolts. Forged chromoly spindle for JIS square taper. Industrial 6002KRS cartridge sealed bearings. Cold forged aluminum cups. Double seals for water and dirt protection. Item Specifications: BB Shell Width (mm): 68, BB/Frame Interface: English, Bottom Bracket Shell I.D.: 34, Defined Color: Silver, Spindle Interface Type: FSA JIS, Spindle Length: 110.5, Weight: 295,