DUB PF30a Ceramic Bottom Bracket
AITA DUB PF30a ceramic bottom bracket provides the opportunity using SRAM DUB 29mm spindle cranks on a PF30a frame.
With the grade 3 Si3N4 ceramic balls (8 times rounder and 4 times smoother than the steel's), spinning on the hardened ABEC 7 races, this ceramic bottom bracket only consumes 21% of the power compared with a Shimano Press Fit bottom bracket in average, plus the bearings will last 3-5 times longer.
2 year warranty.
Specifications:
CNC alloy bottom bracket cups;
ABEC7 high chrome vacuum degassed bearing steel races with quenching and tempering hardening;
Grade 3 Si3N4 ceramic bearing balls;
Nylon bearing retainer;
Dual lips light contact rubber bearing seals;
Frame requirements:
PF30a/Pressfit 30a standard frame (non-thread) with shell ID 46mm;
Width 73mm;
Crankset compatibility:
SRAM DUB 29mm spindle cranksets.
- Frame requirement:
- PF30a ID 46mm, width 73mm
- Crank compatibility:
- SRAM DUB 29mm spindle cranksets