CeramicSpeed Bottom Bracket - T47a - 24mm Spindle Stems you'll enjoy superior modulation and

you'll enjoy superior modulation and a responsive braking feel in a compact

with harder soles

Three spring tension settings allow you to customize performance and reduce chain drag

smooth modulating pad compound with a cooling fin equipped back plate which provides consistent

CeramicSpeed Bottom Bracket - T47a - 24mm Spindle Stems you'll enjoy superior modulation andT47a Bottom Bracket for Shimano T47a for 77mm asymmetrical shell. T47a is a threaded bottom bracket shell design, utilizing the oversized interface of BB right, but with the benefit and peace of mind of a threaded interface. Compatible frames feature an asymmetrical 77mm shell width, placing the non drive side bearing within the frame, and the drive side bearing externally. Equipped with precision dust covers for a snug & secure fit that also fully