Bottom Bracket

PF4630 (BBright) to BB30 Ceramic Bottom Bracket

Part$120

Rotor's PF4630 ceramic bottom bracket bridges BBright shells to 30mm spindle cranks. Hybrid ceramic bearings—ceramic balls in steel races—roll with less drag than all-steel and need less maintenance. Press-fit installation, 102g.

Specs

Bearing typeHybrid ceramic (ceramic balls, steel races)

Compatible cranksRotor 3D30, 3D30+, BB386 EVO

Weight102g

Buy at racycles.com

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