Rotor BB1 MTB Threaded to 24mm Ceramic Bottom Bracket
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* Rotor BB1 MTB Threaded to 24mm Ceramic Bottom Bracket: Product image may vary. Refer to the description for accurate details.
Rotor BB1 MTB Threaded to 24mm Ceramic Bottom Bracket Info
If you’ve got a Rotor 3D24 mtb crank, or an off-road crank from Shimano, or even FSA, this Rotor BB1 MTB Threaded 24mm Ceramic BB is a high-quality set of cups and bearings that can help you spin faster off road.
The design starts with two machined-aluminum (7075-T6) cups into which sealed ceramic-ball bearing races are pressed. Sealed bearings are low friction and low maintenance; sealed ceramic-balls are even lower friction and lower maintenance. It’s a marginal gain that can help every second you’re pedaling. It is also a 5g weight savings, 91g vs. he 96g of the steel ball version.
The inner diameter of the bearings is 24mm, which means this bottom bracket is compatible with Rotor’s 3D24 model. It is also compatible with Shimano cranks as well as FSA’s MegaExo cranks.
The cups have machined splines that are designed to work with most conventional external bottom bracket tools. The cups also come with a sleeve that seals the bottom bracket internals from moisture seeping down through the frame. The sleeve is designed to work with MTB bottom brackets, which are 73mm wide.
The Rotor BB1 MTB Threaded 24mm Ceramic Bottom Bracket is your standard bottom bracket, just improved.