Rotor 4224 BB30 MTB to 24mm Ceramic Bottom Bracket
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This item is "Final Sale" and cannot be returned or exchanged
This item is "Final Sale" and cannot be returned or exchanged
This item is "Final Sale" and cannot be returned or exchanged. Once the order is processed, labeled, or shipped, the order cannot be canceled.
Every item goes through quality control prior to shipping. If there are any imperfections or issues, you will be notified prior to the order being processed.
Items on "Final Sale" are for online only. These items are not at our physical stores for purchase.
Pickup currently unavailable at RA Cycles - Brooklyn
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Rotor 4224 BB30 MTB to 24mm Ceramic Bottom Bracket
Rotor 4224 BB30 MTB to 24mm Ceramic Bottom Bracket Info
The Rotor 4224 BB30 MTB to 24mm Ceramic Bottom Bracket solves one of the more persistent frustrations in mountain bike setup: getting a 24mm spindle crank to run cleanly in a BB30 shell. Two external aluminium cups thread together inside the BB30 shell, accepting 24mm thru-axle cranks without pressed-in adapters — which means no creaking, and no compromise on drivetrain feel.
The ceramic hybrid bearings are what separate this from a straightforward adaptor solution. Steel races combined with ceramic balls roll with less friction than an all-steel bearing and require less maintenance over time — ceramic balls are harder, rounder, and more resistant to wear. The 7075-T6 aluminium cups are splined for compatibility with standard bottom bracket cup tools, so installation is straightforward. For MTB riders running a BB30 frame who want to use a 24mm spindle crank, this bracket is a direct, low-friction path to getting there.
Rotor 4224 BB30 MTB to 24mm Ceramic Bottom Bracket — Specs at a Glance
- Shell standard: BB30 MTB
- Spindle compatibility: 24mm thru-axle cranks
- Bearing type: Ceramic hybrid (steel races, ceramic balls)
- Cup material: 7075-T6 aluminium
- Installation: Threaded cups, compatible with standard BB cup tools
