Shimano Deore Bottom Bracket Set BB51
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|Miscellaneous||Shimano Deore Bottom Bracket Set BB51. Bottom Brackets. Genuine Shimano HollowTech II bottom bracket assembly. Set includes left and right hand cups, spacers, inner cover, and inner O-rings. Sealed cups keep out dirt and water Maintenance free Compatible with 68mm and 73mm shell Durable silver a .... .|