130mm travel models can be reduced to 120mm and 100mm models can be reduced to 80mm travel using included spacers 15mm hex axle provides superior torsional stiffness Dorado air spring with fixed Hydraulic Bottom Out Absolute+ cartridge platform oil damping system: specifically tuned for Dirt Jumping Forged Ibeam style crown: bigger, stronger, and more durable Alloy steerer, and 34mm aluminum stanchions