SRAM DUB BB30 Bottom Bracket - BB30, 73mm, MTB Boost 55mm Chainline, Black thru-axle use a torque wrench to

use a torque wrench to achieve the proper torque spec of 18Nm

SRAM Rear Derailleur Upper Bolt and Springs Upper Bolt and Spring UPC: 710845782091

All Di2 components on the bicycle require the same firmware version

or Deore M6000 1x or 2x cranksets

SRAM DUB BB30 Bottom Bracket - BB30, 73mm, MTB Boost 55mm Chainline, Black thru-axle use a torque wrench toThe 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 improves sealing against the elements Sealed cartridge bearings One oversized