Relentless mountain bike SRAM 2X10 delivers maximum functionality and minimum complexity with faster shifting, more efficiency and lighter weight across a full range of gears. SRAM 2X10 takes advantage of XX technologies like X-Glide shifting, X-Dome cassettes and wide-range gearing. It gives you a drivetrain ready for any XC, Trail or All- Mountain adventure. SRAM 2X10 doesn’t mean more gears, it means tHe RiGHt GeaR.