Rotor BB30 24 Converter Bottom Bracket Road

Buy a frame with a BB30 bottom bracket but want to keep running your BB24 crankset Don't sweat it, because Rotor designed the BB30 24 Converter Bottom Bracket to let you swap out your cranks between the two frames. It's labyrinth seals create a maze that prevents fluid from escaping and dirt from entering, and the whole package weighs just 108g, so you won't even notice a difference between it and your old BB.