Build your ultimate home track bike with this SRAM GXP bottom bracket.
This bottom bracket is a threaded, external cup unit and includes left and right bottom bracket bearing cup set for use on some of the most sought-after cranks, such as SRAM Omniums and Miche Primato Advanced.
Works on Aventon Cordoba and Mataro frames
Latest GutterSeal technology improves sealing while reducing drag.
Includes left and right cups, plastic center seal/space shell with o-rings and BB spacers