The Shimano BB-RS500 Hollowtech II Press-Fit Bottom Bracket fits Pressfit road frames with 86mm shells and has 24mm spindle bearings to fit Shimano Hollowtech II cranksets.

Specifications:
Frame Interface: BB86 
Spindle Interface: 24mm (Shimano Hollowtech II, FSA MegaExo, Surly OD, FSA MegaExo Light, RaceFace EXI)
Bottom Bracket Shell ID: PF41
Shell Width: 86.5mm
Color: Black
Weight: 71g