SRAM DUB T47 Bottom Bracket - 85.5mm

What is the SRAM DUB T47 Bottom Bracket 85.5mm for? The SRAM DUB T47 Bottom Bracket 85.5mm is designed for frames with a T47 threaded shell at 85.5mm width, a specification found on some road and gravel frames that use a wider T47 shell for improved bearing performance and stiffness. The DUB spindle system delivers long-lasting performance and excellent sealing in the T47 interface. Compatible with standard SRAM DUB road and gravel cranksets. The 85.5mm T47 shell is a specific frame specification. Confirm your frame uses this exact shell width and T47 threading before ordering. For DUB Wide cranksets, see the DUB T47 Wide 85.5mm option.