SRAM DUB Wide BB30 Bottom Bracket - BB30 68mm Road Black Model-Aluminum The CNC-machined aluminum construction with

The CNC-machined aluminum construction with cooling fins guarantees durability and efficient heat dissipation

Includes 8 bolts and thread back up pin for chainring

Image shows ski with binding

Color Black Bearing Type Cartridge Crown Race 30 Defined Color Black S

Shimano changed to this sometime in 2013

SRAM DUB Wide BB30 Bottom Bracket - BB30 68mm Road Black Model-Aluminum The CNC-machined aluminum construction withSRAM DUB Wide BB30 Bottom Bracket BB30 68mm Road Black. The 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 Wide Cranksets Gutter Seal Technology drastically improves sealing against the elements Sealed