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 External Bottom Bracket (68/73mm) Purple + Installation Tool
Hope 30mm Bottom Bracket Stainless DUB Compatible
Hope Stainless Steel Bottom Bracket Cups For 30mm Axle - Orange
Hope 30mm Bottom Bracket Install Spanner Silver
Hope 30mm Bottom Bracket PF41 / 92
