2" Cup Bottom Bracket Set, Bottom Bracket Cup Set Bearings Included,Silver
Fits on most bikes such as beach cruiser, lowrider, chopper bike frames, non-motorized bicycle
The bottom bracket is made of metal, high strength and long-lasting, solid and durable for you to use. Measure the diameter of bottom bracket shell before shopping, if it is exactly 2", then bottom bracket bearings set should fit.
DIY 2 inch BB cup set; Material: steel;
Axle Length: 128mm, Cup Size: 51.1mm, Ball Retainer: 5/16 x 9, 68mm, 24 tpi,width of center axle is 19mm