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
• English Threaded BB
• Weight: 118g