SRAM Force XPLR E1 1x12/13 42T CranksetSRAM Force XPLR E1 1x12 13 42T Crankset The Force XPLR crankset is a light and stiff direct mount chainring with refined, elegant crank arms, plus updated, lighter 1x chainrings. Offered in 38T 46T standard chainring sizes and 44T 50T with aero rings, this crank can do it all and looks great doing it. Single ring drivetrain simplifies functionality and reduces weight Direct mount aero chainrings for better aerodynamics X SYNC wide tooth, narrow tooth