BB Thread Type Crankset Bearings Bottom Brackets MTB Bike Road 【High Quality】Made of high quality materials, solid and durable. Quality set of bottom bracket with sealed bearings, suitable for BB 30mm or 24mm optional. 【Easy Install】Characterized by high strength and high hardness, not easy to deform.Lightweight and small size, easy to install and use. Great accessory for cycling enthusiasts. 【Fine Workmanship】Integrated sleeve and inside bearing ensure the bearing rotate stitch. Fine workmanship, precision thread can be better connected. 【Lightweight】 Light weight will not put an extra burden on the bicycle, BB Shell Width Compatibility: 68-73mm. 【GUARANTEE】IF YOU ARE NOT SATISFIED WITH OUR PRODUCT YOU RECEIVED,YOU CAN SEND EMAILS TO US AT ANY TIME.WE WILL REPLY YOU INSTANTLY AND HELP YOU SOLVE YOUR PROBLEM. Rider's desire, continuously improving. Bottom Brackets Alumimum OD 46mm BB30 P…