Check the listing for details. SRAM DUB Sealed Cartridge Bearings PF30A 73mm Bottom Bracket for Road Cranksets. Color: Black, Condition: New. Listed at 53.95 USD. The SRAM DUB bottom bracket series has a simple job— to connect crankarms and protect the smooth, long-lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility.Gutter Seal Technology™ drastically improves sealing against the elements. Sealed cartridge bearings. One oversized spindle to work across every bottom bracket standard. Significantly lighter than GXP system. Aluminum press-fit cups are lightweight. Integrated adjuster. Item Specifications: BB Shell Width (mm), 73mm, BB/Frame Interface, PF30A, Bottom Bracket Shell I.D., 46, Defined Color, Black, Spindle Interface Type, SRAM DUB, SHIPS TODAY! Order before 1:30PM EST, M - F, and this item ships the same day! HAVE A QUESTION?Expert customer service by bike experts! A Real Brick And Mortar Retail Bicycle Shop with people you can talk to! Contact Us! (9-5 Mon-Fri, 12-4 Sat & Sun EST) Chat With Us