SRAM has just dropped the next iteration of their single chainring groups with X01 DH.
In a nutshell, it borrows all the design and technology of their XX1 and standard 11-speed X01 groups, but narrows it down to a 7-speed design for downhill mountain biking. That group is comprised of a 7-speed cassette that mounts to the XD Driver Body freehub, and 7-speed specific rear derailleur and shifter.
The X-Horizon derailleur has proven quite adept at keeping the chain in the chosen cog and, coupled with the clutch, keeping it on the front chainring, too. And their carbon X0 DH crankset has been making the World Cup circuit DH races for some time. The XX1 chain carries over unchanged for the gravity set. Now it all comes together for a DH compilation and another trademark: SRAM 1X™.
Drop in for the development story video, pics and more…
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