Shimano SM-BB92-41B Dura-Ace Bottom Bracket (Press Fit 86.5mm) Size:Standard Derived from natural ingredients and

Derived from natural ingredients and made from renewable sources

Puncture prevention for inner tubes

Lightweight and sleek

Bars connected with special rivets

Shimano SM-BB92-41B Dura-Ace Bottom Bracket (Press Fit 86.5mm) Size:Standard Derived from natural ingredients andSpecifications Compatible with Shimano HollowTech II road cranks Set includes left and right hand cups, inner cover, and inner O rings Sealed cups keep out dirt and water Maintenance free Compatible with 86. 5 mm shells 41mm cup diameter Easy press fit installation Top Features Series : Dura Ace R9100 Series Model No. : SM BB92 41B Type: Press Fit BB86 Bike Type : Road, Triathlon & Time Trial Axle Diameter: 24 mm (Hollowtech II) Shell Width: 86. 5 mm