SRAM DUB BSA External Threaded Bottom Bracket - 28.99mm DUB - BSA Threaded - 83mm PDP|Colour The main differences between the

The main differences between the XX1 and the X01 are:

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

That is why we designed the E_Pact with a pre-shaped

Mounting style: These are a slip-on grip with dual lock-on rings

SRAM DUB BSA External Threaded Bottom Bracket - 28.99mm DUB - BSA Threaded - 83mm PDP|Colour The main differences between theSRAM 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