CeramicSpeed PF30 Bottom Bracket - Black PDL Stem Clamp Diameter: 31

Stem Clamp Diameter: 31

Fits both GXP® and BB30 spindle cranks

position on the bike

A new variable radius drop

and SL Speed models

CeramicSpeed PF30 Bottom Bracket - Black PDL Stem Clamp Diameter: 31CeramicSpeed delivers unmatched performance in key areas of your bike. For frames with Pressfit30 bottom bracket shell, 46mm opening and 68mm shell width. CeramicSpeed Bearings come installed in cups and are connected through the shell. There are 2 versions: Standard and Coated Bearings. Both have super round CeramicSpeed Balls and hardened steel races. The CeramicSpeed Coated Bearings have an additional attribute: a 3 micron thick metallic layer over