Bottom bracket Sram Dub PF MTB

The SRAM DUB PressFit MTB DH Bottom Bracket is a high-quality axle-cassette that uses DUB technology for optimal compatibility and efficiency. It combines a reinforced design with durable bearings, well protected from dust, mud, and moisture — an ideal solution for aggressive MTB and Downhill riding. It mounts via a PressFit system and is suitable for frames using a 41 mm shell. The model is available in three different widths — 104.5 mm, 107 mm, and 121 mm — providing wide compatibility with various DH and MTB frames. It ensures smooth, quiet rotation and long service life, even under intense load.

Technical Specifications

Type: PressFit MTB DH axle-cassette

Standard: SRAM DUB

Shell diameter: 41 mm

Internal diameter (axle): 28.99 mm (DUB)

Dimensions (width): 104.5 mm / 107 mm / 121 mm

Material: Reinforced design with steel shell

Weight: 72 g

Intended use: MTB / Downhill