Experience the excellence of Ritchey's WCS Integrated Upper IS Headset IS41286 9mm STAC. Designed for bicycles equipped with integrated headsets, this superior headset has been meticulously constructed to ensure smooth riding and hassle-free operation.

Boasting full complement stainless steel angular contact cartridge bearings, this headset bears testament to Ritchey's ingenuity and dedication towards delivering products that stand the test of time. Packed with Ritchey high-webbing grease, these bearings ensure smooth rotation, providing you with an exceptional biking experience every single time.

Constructed from robust alloy material, and with a stack height of 9.1-16.0mm, this headset is incredibly resilient to wear and tear. It's designed to accommodate headtube IDs of 41.2 and 42.0mm, testament to its versatility.

It uses the standard S.H.I.S number IS41/28.6 (1 ⅛") for the bearing size of 41.0/30.15/7mm 45°/45°- sealed cartridge (ACB)- titanium coated. In addition, The IS42/28.6 (1 ⅛") bearing has a size of 41.8/30.5/8mm 45°/45°- sealed cartridge (ACB)- titanium coated.

Coming into a low weight of just 36g and also inclusive of a top cap, this masterpiece takes convenience and ease-of-use to the next level. Equip your bicycle with the Ritchey WCS Integrated Upper IS Headset IS41286 9mm STAC to redefine your cycling experience and take it to new heights.