Home » Bottom Brackets » converter bb T47 Cartridge 28.99 External Press-Fit Converter Eccentric Fat Bike Regular A bottom bracket to fit every need. And if the model you need is not here, give us your details and we’ll design and produce the BB you have in mind to spec. NEW T4734A T47 to BSA G207A 68~73mm PF30 to BSA D4234A 68~73mm BB30 to BSA D4634A 68~73mm PF30 to BSA D4641A 86.5~92mm PF30 to I.D. 41mm S30 68~73mm PF30 to BSA F30 68~73mm I.D. 42mm to BSA H515 68mm BMX to BSA Go Back to "ALL PRODUCTS"