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Shimano BB-70B XT/SLX HollowTech II bottom bracket set, English thread



Shimano BB-70B XT M770 / SLX M660 HollowTech II bottom bracket set - English thread

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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 weight

Sealed cups keep out dirt and water

Maintenance free

Compatible with 68 mm and 73 mm shell

Durable silver anodised finish

Easy installation

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