SRAM Dub PressFit 89.5/92 Bottom Bracket | The Bike Affair

SRAM Dub PressFit 89.5/92 Bottom Bracket


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SRAM Dub PressFit 89.5/92 Bottom Bracket: The Heart of Your Drivetrain

Unified Design for Maximum Compatibility: The SRAM Dub PressFit 89.5/92 Bottom Bracket is at the forefront of drivetrain technology, designed with a singular focus: to seamlessly connect your crankarms and ensure the smooth, long-lasting application of power to your drivetrain. SRAM's innovative DUB (Durable Unified Bottom Bracket) system introduces an oversized spindle that is compatible across all bottom bracket standards, eliminating compatibility concerns and simplifying the drivetrain setup process.

Enhanced Crankarm Compatibility: With the introduction of the DUB spindle, SRAM addresses the need for greater crankarm compatibility. This advancement allows for a more straightforward and efficient connection between the crankarm and bottom bracket, enhancing the overall performance and reliability of your drivetrain.

Superior Protection Against the Elements: The SRAM Dub PressFit 89.5/92 Bottom Bracket is engineered to offer enhanced protection from the elements. Its design minimizes the ingress of water, mud, and dirt, safeguarding the internal components and ensuring your bottom bracket's longevity and smooth performance, regardless of riding conditions.

Optimized for Performance and Durability: The DUB system's emphasis on an oversized spindle not only ensures compatibility across bottom bracket standards but also contributes to a stronger, smoother, and simpler bottom bracket. This optimization leads to a significant reduction in weight compared to the GXP system, without sacrificing stiffness or durability.

Focus on the Ride: SRAM's commitment to innovation is evident in the Dub PressFit 89.5/92 Bottom Bracket, designed to let you focus on what matters most: the ride. By streamlining the bottom bracket's design and functionality, SRAM ensures that cyclists can enjoy a more reliable, efficient, and enjoyable riding experience, backed by the confidence that their drivetrain is supported by the best in modern cycling technology.


Features of SRAM Dub PressFit 89.5/92 Bottom Bracket

  • One oversized spindle to work across every bottom bracket specification.
  • Significantly lighter than PFGXP system
  • Easier installation by allowing you to press the bearing cups into the frame
  • Sealed cartridge bearings available in both stainless and ceramic versions

Technology of SRAM Dub PressFit 89.5/92 Bottom Bracket


The relationship between bottom bracket spindle and bearing is the core of DUB technology. It's where stiffness meets durability. We took it a step beyond conventional thinking and made everything simpler-better integrating the relationship between chainring, crank, spindle and bottom bracket. It's this approach to developing a complete system that equals better drivetrain performance.


Specifications of SRAM Dub PressFit 89.5/92 Bottom Bracket

Model ID  BB-DUB-PF-A1
BB-Frame Interface PressFit (MTB: 89/92 mm)
Chainline 55.0 mm, n/a
Spindle Length n/a
Support E-Type FD n/a
Crank-BB Interface DUB
Bearing Type Ceramic, Standard
Spindle Diameter DUB
Cup Material Steel
Weight 72 g
Weight Based On BB92

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