The central movement sram dub It is compatible with any SRAM or Truvativian crack equipped with DUS technology. This version is specific for frames with standard central movement BSC 68-73 mm.

With the aim of simplifying and making the frame/crankset interface, the DUS structure allows you to mount the SRAM or Truvativian crack equipped with this technology on practically any frame on the market with its universal system. These garments are compatible with the main rules on central movements, the only regulation variable is the movement box.
In addition to the economic and practical aspect, this central movement has an incredible rigidity that improves the functioning of the bearings and increases longevity.

+ Dub technology compatible with most of the frames: increased rigidity and optimization of the impervious to impurities