42mm x 30mm x 7mm ---. OEM spec 2RS bearings. Each Hybrid Ceramic 2RS. with high quality grease. silicone nitride ( ceramic Si3N4 ). bearing contains. bearing balls in case. - Grade 1.4125 SS.
Hope 30mm Bottom Bracket Stainless DUB Compatible
Hope Stainless Steel Bottom Bracket Cups For 30mm Axle - Orange
Hope 30mm Bottom Bracket Install Spanner Silver
BMX Caged Bearings Bottom Bracket US Size 5/16" bearings in cage pair
Hope Stainless Steel Bottom Bracket Cups For 24mm Axle, Orange - 68/73mm Shell
