Get all the benefits of a modern Rotor crank in your threaded frame. The Rotor BSA30 68/73 Steel Bearing BB allows the threaded 68/73 frame to use any 30mm Rotor crankset. The cups are lathe and CNC-machined T6 heat treated 7075 aluminum. Silicone seals are in place and offering low drag. Upgrade! The necessary bottom bracket tool is included in your purchase. Works with Rotor Flow, 3D+ and 3D30 cranksets, SRAM S900/975 and some BBright/BB386.
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