SRAM DUB PressFit30 Bottom Bracket - PF30 73mm MTB Boost 55mm Chainline BLK ISO Width (mm)-26 The longest travel dropper post

The longest travel dropper post that will fit you and your bike can be determined using our dropper post length calculator tool

SM 165-190mm

For use with XPLR 1x 13-speed rear derailleurs

Bushings) - Maven Bronze A1

90 or 40 degree adapter options

SRAM DUB PressFit30 Bottom Bracket - PF30 73mm MTB Boost 55mm Chainline BLK ISO Width (mm)-26 The longest travel dropper postSRAM DUB PressFit30 Bottom Bracket PF30 73mm MTB Boost 55mm Chainline Black. 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. Designed for use with SRAM Boost cranksets with 55mm chainlines Gutter Seal Technology drastically