Carbon fiber crown and steerer bonded to aluminum upper tubes One piece, forged and machined 30mm stanchions with integrated hidden brake caliper bolts and hidden thru axle Air spring adjustment for rider weight Singleclick activation climb switch use engages firm mode for out of saddle pedaling 160mm flat mount disc and 180mm rotor compatible 435mm axle to crown with 45mm offset Integrated, 36 degree angle crown race with 52mm ZN40 headset bearing included Ancora expansion plug included