1-1/8 and 1-1/2" threadless, hella flush style upper with 1-1/2" lower, cartridge bearings Stem Specialized xc, 3d forged alloy, 4-bolt, 6-degree rise Handlebars Specialized xc, mini rise, 6000 butted alloy, 8-degree backsweep, 6-degree upsweep, 10mm rise, 31.8mm Grips Specialized sip grip, light lock-on, half-waffle, s/m: regular thickness, others: xl Front brake Shimano deore br-m506, hydraulic disc, dual piston, resin pads, s/m: 180mm rotor, others: 200mm Rear brake Shimano deore br-m506, hydraulic disc, dual piston, resin pads, s/m: 160mm rotor, others: 180mm Brake levers Shimano deore bl-m506, hydraulic, alloy lever In box full warranty