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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 wi
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 Ceramic Zero bearings for the efficiency of Ceramic
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