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julio 25, 2026

Shimano 105 Sealed Bottom Bracket BB-5500 70X109.5mm Italian Thread

Bottom Bracket for Octalink V1 spline cranksets. Compatible with V1 Shimano Dura Ace®, XTR®, Ultegra® and 105® 22mm 8-splined hollow systems. Not compatible with V2 or ISIS splined systems. Available in English (68mm shell) or Italian (70mm shell). Double (109.5mm) or Triple (118mm) spindle lengths. Features: Large diameter pipe billet spindle Sealed Cartridge bearings Splined spindle ends for increased joint strength 250g (109mm spindle)
julio 25, 2026

SRAM Oversized DUB Sealed Steel Cartridge Bearing BB30A 73mm Road Bottom Bracket

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 cups are lightweight. Item Specifications: BB Shell Width (mm), 73mm, BB/Frame Interface, BB30a, Bottom Bracket Shell I.D., 42, 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