CeramicSpeed PF4130 Road and MTB Bottom Bracket Coated

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The PF4130 bottom bracket is Press Fit into 41mm diameter shells that are 86.5mm wide and mate most cranks with a 30mm spindle to that standard. If you have a BB86 frame and want t o install a 386EVO crank or Rotor 30mm crank, this is the kit you need.CeramicSpeed bearings are installed in cups. The Standard Bearing has ceramic CS balls and hardened-steel races. The Coated Bearing has the same balls running on hardened-steel races with a 3-micron thick metallic coating making the races harder and smoother, increasing service life and reducing friction. In The Box 2 cups with bearings installed. 2 1mm spacers. 2 0.5mm spacers. 2 dust covers. O-ring. Plastic cable protector. 10ml syringe All Round Grease. Sticker sheet. Show more