- Convert your BB30 or PF30 frame to run as a Singlespeed - 2-bolt EBB to fit BB30 (42mm ID) or PF30 (46mm ID) specific frames for use with 24mm or 24/22mm GXP spindle cranks - Angular contact: Enduro ABEC 5 angular contact bearings - Made in the USA anodized aluminum cups with Enduro sealed bearings - Designed for maximum offset potential - Includes spacers for accurate set up - Choose BB30 or PF30 bottom bracket options
