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Rotor
PF4124 Bottom Bracket

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Rotor's PF4124 Bottom Bracket will easily accommodate your press fit, 41mm diameter with 24mm axle BB shell. Rotor created the PF4124 to eliminate the all-too-common complicated bottom bracket/crank compatibility challenge.

Features & Specs:

  • 100% CNC-machined, 7075 aluminum.
  • Designed to work with BB86, BB89 and BB92 bottom brackets.
  • Labyrinth seals prevent bearing contamination.
  • Compatible with ROTOR and Shimano 24mm cranksets.
  • Weight: 55g-60g.

Bottom Bracket STD: PF24 

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