Shimano BB-MT801 bottom bracket cups, English thread cups, 68 / 73 mm

Genuine Shimano HollowTech II bottom bracket assembly

Set includes left and right hand cups, spacers, inner cover, and inner O-rings

Light weight seal structure helps to remove vital grams

Sealed cups keep out dirt and water

Maintenance free

Compatible with 68 mm and 73 mm shell

Durable anodised finish

Easy installation with TL-FC25 tool