... thru-axle, 130mm travel Headset: 1-1/8 and 1-1/2 inch threadless, Campy style upper with 1-1/2 inch lower, cartridge bearings Stem: Specialized XC ... Elixir 5 SL, hydraulic disc, alloy backed organic pads, HS-1 rotor. S/M: 180mm; L/XL 200mm rotor Rear Brake ... Elixir 5 SL, hydraulic disc, alloy backed organic pads, HS-1 rotor. S/M: 160mm; L/XL 180mm rotor Rims: Roval ...