Niner's S.I.R. 9 is truly a do-everything hardtail. Run it singlespeed at your local race, then swap to a geared setup to do an epic XC ride—the S.I.R. 9 comes with convertible dropouts and an eccentric bottom bracket for easy changes between drivetrain styles. Using custom-drawn Reynolds 853 steel tubing with Niner's dexterous geometry and 29-inch wheels, this sweet steed gives you a ride quality unsurpassed by ordinary hardtails. Oh, and what does S.I.R. mean? Steel Is Real, of course!