Cane Creek 70 Slam Upper Headset Top Assembly Description: The Cane Creek 70 Slam Headset is made for riders looking to lower their handlebars as much as possible without compromising bearing longevity and preload performance. Made from 6061-T6 aluminum for minimized weight and maximized strength. Features: Premium sealed stainless steel Hellbender bearings 6061-T6 aluminum for minimized weight and maximized strength Separate top cup assemblies Specifications: SHIS: ZS44/28.6 Stack: 2mm Color: Black Weight: 60g