Garbaruk rear derailleur cage is optional

Ultegra BBR60

This is attached to the XD Driver first

Confirmed modification fit with Dura Ace 9100 Power Meter in size 42t or larger

SRAM GX Eagle DUB Crankset - 28.99mm DUB - SRAM Direct Mount - X-Sync 2 Direct Mount - 3mm Boost - Lunar Grey - 165mm - 68-73mm - 32T PDP|Option Garbaruk rear derailleur cage isThe GX Eagle DUB crankset is SRAM's top level aluminium MTB model and delivers all the performance and reliability you could hope for without stepping up the spend level to get into their range of carbon cranks. The GX DUB cranks feature 7000 series forged aluminium arms for stiffness and strength and direct mount chainrings with SRAM's X SYNC 2 tooth profile chainring for quieter running, better chain retention, and better mud shedding capability.