DUB BB system(29 spindle)
PT-6635UT
For SRAM DUB BB386
PF BB386 frame
Forged alloy &CNC machined cuos
Alloy shell w/double o ring seals
2 pcs Sealed cartridge bearings
Anodized color available
DUB bb system for 28.99mm spindles
L/R cups W/thread lock on design
PT-6635UT Drawing dowland