Shimano BB-RS500 Road Press Fit Bottom Bracket - Black

Shimano BB-RS500 Road Press Fit Bottom complete press-fit assembly for Shimano HollowTech II road cranks.  The cups are made from fibre reinforced polymer material which reduces the risk of frame noise and damage.Set includes left and right hand cups, inner cover and inner O-ringsSealed cups keep out dirt and waterMaintenance freeCompatible with 86.5 mm shells41 mm cup diameterEasy press-fit installation