SRAM DUB Wide English Ceramic Bottom Bracket - English/BSA 68mm Road-Wide BLK Shackle Width-3.55 }Shimano Ultegra FD-R8000 11-Speed Braze-On

}Shimano Ultegra FD-R8000 11-Speed Braze-On Front Derailleur Black

1/2" x 11/128" chain is compatible with Shimano Campagnolo and SRAM 11-speed drivetrain systems

Starting with an ultra soft pro compound and built into an improved knurl pattern that provides extra tackiness and control along with reduced vibration transfer

Minimal rolling resistance - maximum riding dynamics

}Dimension Chainring - 34T 110mm BCD Middle Black

SRAM DUB Wide English Ceramic Bottom Bracket - English/BSA 68mm Road-Wide BLK Shackle Width-3.55 }Shimano Ultegra FD-R8000 11-Speed Braze-OnSRAM DUB Wide English Ceramic Bottom Bracket English BSA 68mm Road Wide Black. The 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