Seamless Chromoly 4130 tubing / Post welding heat treatmentChrome treatment against corrosionTapered and multi-butted legs / For 20" tires up to 2.50" wideCNC machined one-piece 1-1/8" steerer / Multi-butted / 165mm long / Integrated bearing race / M24 x 1.5mm threadLaser cut dropouts / 5mm thick / For 3/8" axles / 25mm offset / 100mm spacingCNC machined aluminum top cap / For 6mm allen wrenchVerified weight : 888 grams Heat-treatment : Reinforce steel mechanical properties, make the steel stronger and more homogeneous Tapered : Variable external diameter, gives you a bigger diameter around stress zones, making the junction stronger. Butted : Variable thickness, more material where it's needed (welds, stress zones,...) This fork has been designed for park use. If you plan on using it for street riding, we suggest you to choose the FOUNDATION Link 28 fork, which will be much more adapted. The Link 28 has beefier tubing and investment cast dropouts. The P-25 warranty will be void if there is any sign of peg use.