DUB BB system(29 spindle)
PT-6638PS
For SRAM DUB BB BSA
Compatible BSA 1.37" * 24T frame
DUB bb system for 28.99mm spindle
Weight: 107g
Width: 68 / 73mm
Bearings: Sealed cartridge bearings 42 * 7 (R433)
Material: Forged & CNC machined AL6061 cups
AL6061 shell w/ double o-ring seal
Finish: Anodized color available
Option PT-6638PSCB Ceramic bearings
PT-6638PS Drawing download