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
• Code: EBBRS500PB