Durable construction: made from robust aluminum alloy to withstand everyday riding stresses while maintaining strength and corrosion resistance. Smooth, quiet rotation: two stainless steel sealed bearings provide lowfriction steering, reduce noise, and help maintain consistent performance over time. Standard compatibility: designed to fit head tube frames with an inner diameter of 6mm, conforming to standard dimensions for straightforward replacement or upgrade. Lightweight performance: weighs 120 g to minimize added mass and help preserve your bike's handling, acceleration, and climbing efficiency. Why this headset matters: replaces worn or noisy steering components, reduces steering drag, and delivers a reliable, longlasting interface between fork and frame without adding unnecessary weight. Typical applications Commuter and city bikes: an aging headset to restore smooth, quiet steering and improve daily ride comfort. Road and fitness bikes: lower overall bike weight while maintaining reliable steering performance for faster accelerations and better responsiveness. Light touring or weekend builds: durable aluminum construction and sealed bearings make it suitable for regular use where dependable, lowmaintenance steering is needed. Notes Fits head tubes with a 6 mm inner diameter; verify your frame's dimension before installation. Sealed bearings reduce exposure to dirt and moisture, helping extend service intervals.