CeramicSpeed PF4130 Road and MTB Bottom Bracket Standard Bearing Run Accessories_Headphones Built around a durable aluminum

Built around a durable aluminum frame

combining performance

It’s great in extreme situations

or English threaded

1 in (105 mm)

CeramicSpeed PF4130 Road and MTB Bottom Bracket Standard Bearing Run Accessories_Headphones Built around a durable aluminumThe 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 to 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