Sram DUB PF30 73mm Wide MTB 55mm Bottom Bracket

Sram DUB PF30 73mm Wide MTB 55mm Bottom Bracket

The Sram DUB bottom bracket has a simple job: connect your cranks and protect the smoothness and power delivery of your drivetrains over long distances. To get to the main focus, the DUB axle has been designed to be a true joining component. For better crank compatibility. For better protection against the elements. For longer lasting performance. To be stronger, smoother and simpler. Now, roll again.

CHARACTERISTICS

• An oversized axle to work through any axle specification.
• Sealed cartridge bearings available in steel or ceramic version.

TECHNOLOGIES

• DUB: The relationship between the bottom bracket and the bearings is the core of DUB technology. It's where rigidity meets durability. Sram has gone one step beyond the conventional mentality and made everything easier by better integrating the relationship between the chainring, cranks, axle and bottom bracket. This is the goal of improving the entire system which equates to better transmission performance.

SPECIFICATIONS

• Bottom Bracket-Frame Interface: PF30 73mm MTB
• Crank-Bottom Bracket Interface: DUB
• Bearing Type: Steel
• Shaft diameter: DUB
• Cup material: Aluminum