SRAM Calotte T47A Bottom Bracket 77mm Road DUB Wide
The SRAM Calotte T47A Bottom Bracket 77mm Road DUB Wide represents the evolution of DUB™ (Durable Unified Bottom Bracket) technology, designed to ensure maximum efficiency, durability, and compatibility with a wide range of cranksets.
Its mission is simple but essential: to connect the crank arms and transfer power to the drivetrain smoothly, precisely, and durably over time. Thanks to the oversize DUB™ axle, this bottom bracket ensures a solid connection, greater resistance to external agents, and longer-lasting performance compared to traditional models.
Technical features:
Brand / Model: SRAM T47A Cups 77mm Road DUB Wide Bottom Bracket
System: DUB™ (Durable Unified Bottom Bracket)
Diameter / Threading: T47A
Bottom bracket shell width: 77 mm
Usage type: Road
Axle compatibility: DUB Wide
Bearings: Sealed cartridge available in stainless steel or ceramic versions
Installation: Easy and intuitive
Configurations: Options with external (outboard) and internal (inboard) cups to fit frame specifications
Main advantages:
Oversize DUB™ axle: a single standard for all bottom bracket specifications
Better compatibility with a wide range of SRAM cranksets
Superior protection against dirt, moisture, and external agents
Smoother and longer-lasting performance thanks to high-quality sealed bearings
Simple and quick installation, perfect also for upgrades or replacements
Why choose the SRAM T47A DUB Wide bottom bracket
Designed for cyclists aiming for maximum road performance, this bottom bracket combines durability, smoothness, and ease of maintenance.
The DUB™ system offers an ideal balance between stiffness, lightness, and protection, ensuring optimal power transfer with every pedal stroke.
