Wheels Manufacturing PF30 self-threading SRAM 24/22

Machined aluminum shell threads together for precise bearing alignment and frame fit reducing bottom bracket creaking and premature bearing wear.Features-Replaceable Enduro bearings-Made in the USA-ABEC-3 sealed bearings-Grade,10 chromium steel,balls 52100 High Carbon Chromium,alloy,RacesItem Specifications-Bottom Bracket Shell I.D.:46-Spindle Interface Type:SRAM/Truvativ GXP-Weight:153-BB Shell Width (mm):68-BB Shell Width (mm):73-BB/Frame Interface:PF30