Bicycle Headset Sealed Bearings 41/41.8/47/49/51/52mm

The TOOPRE Headset Bearings are high-quality, durable replacements compatible with most IS, ZS, and EC headset types. Made from premium bearing steel with built-in grease and sealed rubber rings, they offer smooth rotation, excellent wear resistance, and protection against water, dust, and rust. Available in multiple sizes from 41mm to 52mm, these precision bearings ensure long-lasting, maintenance-free performance for modern bike headsets.