Rotor Track BSA XD-15 Ceramic for 30mm Variant:Rotor Bottom Bracket BSA30 Track BSA XD-15 Ceramic for 30mm Cranks silver 5 mm (standard axle) /

5 mm (standard axle) / 47 mm (offset axle)

Integrated rain cover

when compared to other ceramic-hybrid bearings on the market that claim speed and power advantages on day one

Mesh side pocket

zero-movement cable routing

Rotor Track BSA XD-15 Ceramic for 30mm Variant:Rotor Bottom Bracket BSA30 Track BSA XD-15 Ceramic for 30mm Cranks silver 5 mm (standard axle) /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?" Featuring Enduro XD 15 Ceramic bearings for ultra efficiency and a lifetime bearing warranty. An Enduro Bearings exclusive, our XD15 Ceramic Hybrid bearings combine corrosion