SRAM DUB BSA External Threaded Bottom Bracket - 28.99mm DUB - BSA Threaded - 83mm PDP|Colour Exceptionally detailed chamfered edges and

Exceptionally detailed chamfered edges and channels throughout

New design interlinked cell protectors are highly perforated for excellent breathability and airflow

providing high impact absorption and protection

unlike the RD-M9120 derailleur which is best for a 2x setup

This wheel is fitted with a Synthesis hub that is laced to a Crank Bros Synthesis Alloy Rim

SRAM DUB BSA External Threaded Bottom Bracket - 28.99mm DUB - BSA Threaded - 83mm PDP|Colour Exceptionally detailed chamfered edges andSRAM DUB bottom brackets are where stiffness meets durability. SRAM has made it incredibly simple by integrating the relationship between chainring, crank, spindle and bottom bracket and provide a single replacement for 30mm and 24mm BB spindles options. SRAM has created a simple bottom bracket solution that provides better drivetrain performance, increased durability and stiffness without introducing a new frame shell standard to the industry. DUB