Bottom Bracket

4224 BB30 MTB to 24mm Ceramic Bottom Bracket

Part$125

Rotor's 4224 threads two 7075-T6 aluminium cups into a BB30 shell to run 24mm spindle cranks without pressed adapters. Ceramic hybrid bearings—steel races with ceramic balls—roll smoother and need less maintenance than steel. Standard cup tool compatible.

Specs

Shell standardBB30 MTB

Spindle compatibility24mm thru-axle cranks

Bearing typeCeramic hybrid (steel races, ceramic balls)

Buy at racycles.com

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