Wheels Manufacturing BSA 30 Bottom Bracket - English (BSA) Frame Interface, ABEC-3 Bearings, For 30mm Spindle, Teal

Enduro ABEC-3 sealed bearings are replaceable Grade 10 chromium steel balls, 52100 High Carbon Chromium Alloy Races provide smooth crank rotation Machined aluminum cups with durable anodized finish Allows for the use of 30mm spindle crankset with English (BSA) threaded bottom bracket shells For use with 30mm Width cranks with an overall spindle length of at least 104mm when used in a 68mm wide BB shell