Features:- Directly replaces all OEM BB86 products.- Use with 24mm (Shimano, FSA, Etc.) cranks. Enduro ABEC 3 sealed bearings.- Double lip seals on all bearings with high fill rate top quality grease for maximum durability.- Machined aluminum is superior in function and durability to plastic.- Fully serviceable.- Machined, anodized black aluminum cups.- Enduro ABEC 3 sealed bearings.- Dual silicone seal keeps the contamination out for longer life.- Fits bottom bracket shell widths from 86mm to 92mm.- Use with 24mm (Shimano, FSA, Etc.) cranks. Specifications:- Material: Aluminum