CeramicSpeed PF4130 Road and MTB Bottom Bracket Standard Bearing Run Accessories_Headphones The stunning X-GlideR™ chainrings are

The stunning X-GlideR™ chainrings are optimized for use with the Yaw technology in the front derailleur

combining performance

It’s great in extreme situations

providing superior durability

Shimano cranks fit into BB86 frames when you have this CeramicSpeed Bottom Bracket installed

CeramicSpeed PF4130 Road and MTB Bottom Bracket Standard Bearing Run Accessories_Headphones The stunning X-GlideR™ chainrings areThe 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