The Cane Creek Hellbender 70 Bottom Bracket utilizes a bearing made of 440C stainless steel, providing exceptional ride quality and reliability. The stainless steel bearing in the Hellbender 70 strikes a perfect balance between value and lasting performance. Providing excellent durability and corrosion resistance, the Hellbender 70 Bottom Bracket will be an impactful and lasting upgrade to any bike. Features: 440C stainless steel bearings with a dual lip seal and marine grease, offer durability and corrosion resistance 6061 T6 machined aluminum cups are lightweight and durable Compatible with 24mm spindle cranksets (Shimano, FSA, Race Face) Anodized black finish Specifications: Model: BSA 24mm Spindle Diameter: 24mm Width: 68/73mm Shell: BSA/English Threaded Shell I.D.: 1.37 Cup Material: 6061 T6 Machined Aluminum Bearings: 440C Stainless Steel Color: Anodized Black Weight: 92g