Sram x01 dh 7 speed groupsetevery descent rewrites the laws of gravity every mountain pushes you further engineered in germany sram x01 dh delivers quicker shifting smarter gear steps and more precise chain management featuring srams 7 speed x horizon rear derailleur and x dome mini block cassette the x sync chainring and the x actuation trigger shifter its the integrated sram 1x drivetrain for complete control made for gravity athletes proven by champions and now available to