ROTOR BB Track BSA Steel. Our ultra-stiff steel BSA track bottom bracket will respond to whatever wattage you stomp out, whether it's fleeing sirens or preparing for the bell lap.

The BSA track bottom bracket is the "yes" component to "Is that compatible with my track frame?"

Details

Weight	54g
Material	100% CNC-machined, 7075 aluminum. Labyrinth seals prevent bearing contamination
Compatible Crankset Brand	ROTOR
Material Bearing	Steel
Axle diameter compatible	30mm
Shell Width	68mm
Frame Type	BSA
Discipline	Track

 

ROTOR BOTTOM BRACKET COMPATIBILITY GUIDE