SRAM DUB PressFit Ceramic Bottom Bracket - PressFit 86.5mm Road Black ModelNumber=D1171 Its innovative 360° steel bolt

Its innovative 360° steel bolt allows effortless engagement from any angle even in low light

Engineered for road cyclists it uses a low profile flexible mount that's designed for most handlebars including aero bars

Sealed bearing Spline Hub

And for the just in case the derailleur body features replaceable outer and inner parallelogram links skid plates and a tool-free threaded cage assembly making it the most rebuildable derailleur we’ve ever built

SRAM DUB PressFit Ceramic Bottom Bracket - PressFit 86.5mm Road Black ModelNumber=D1171 Its innovative 360° steel boltThe game changing DUB family goes ceramic. While DUB has been simplifying the game eliminating compatibility frustration and confusion for years the DUB ceramic bottom bracket gives riders an additional option for even more silky smooth performance. This is a whole other level in bottom bracket friction reduction thanks to its high efficiency ceramic bearings. Whats more the DUB ceramic bottom bracket can help riders save precious rotational energy