BBRKT BBMT800 H/Tech II Set 68/ 73 Black british thread

Genuine Shimano hollowtech ii bottom bracket assemblyset includes left and right hand cups, spacers, inner cover, and inner o-ringslight weight seal structure helps to remove vital gramssealed cups keep out dirt and watermaintenance freecompatible with 68 mm and 73 mm shelldurable anodised finisheasy installation with tl-fc25 tool