Bottom Bracket Sram Pressfit 30, 68/73mm, 46mm, 30mm, Steel Rhine Double Down casing is a

Double Down casing is a dual layer 120tpi casing with a butyl insert that provides additional sidewall protection

and a stable base

to further prolong bearing life

Ultra-thick

Bottom Bracket Sram Pressfit 30, 68/73mm, 46mm, 30mm, Steel Rhine Double Down casing is aDescription PressFit 30 will feature an integrated seal, pre assembled into the cups, to further prolong bearing life Bearings are housed in nylon cups which will be pressed into the frames bottom bracket shell Designed for 30mm spindle cranksets For frames with 46mm inner diameter bottom bracket shell PressFit 30 requires a 73mm wide shell. Material: Alloy Ceramic bearing