Rotor BSA30 68-73mm Steel Bottom Bracket Black

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Rotor's 30mm external BSA bottom bracket for use with BB30 cranks in your standard threaded frame. The advanced Labyrinth seals provide superb spinning and protection.
• Designed to work with BSA threaded bottom brackets and 30mm axle ROTOR cranksets • Aluminium alloy 7075 - 100% CNC-machined • Silicone seals • Wrench Included