Home » Bottom Brackets » Cartridge Bottom Brackets » mp63tw CARTRIDGE BOTTOM BRACKETS MP-63TW Titanium Hollow ISIS Drive Spindle Aluminum Alloy Cups and Sleeve Double-Row 14mm Sealed Bearings Length 68 x 108mm, 113mm, 118mm, 122mm and 128mm Length 73 x 108mm, 113mm, 118mm, 122mm and 128mm Weight: 190g Technical Diagram