T47 threaded bb cups for t47 frames and 30mm diameter spindle cranks.Features:Cups have internal bearings, and can be used in bb shells with widths from 68mm to 132mmMachined aluminium cups thread together directly into a t47 bb shellBearings are easily serviced or replacedT47 bb cups are similar to standard bsa threaded cups in that the drive side cup is left-hand thread and the non-drive side cup is right-hand threadUse a quality grease when installing in steel or aluminium bb shells, and an anti-seize compound compatible with titanium bb shellsMade in the usa
