Euro Sealed Threaded Bottom Bracket Bearing Set 3/4inch Inner Diameter
European 3 Piece BB’s use small cups that thread into the frame, making installation easy.
This Euro BB kits uses four bearings to spread the load.
If used with a Sealed Pedal Crank Axle you may need to add a snap ring slot on the axle
due to the thickness of the bearing cups.
These bearings fit the Gasbike GT Aluminum Bike Frame With Built-in Gas Tank
Color: Black with Green seals
Material: CNC aluminum, Steel, Rubber shields
Threading: 1.370″ X 24 tpi
Inner Diameter: 3/4inch
Please watch the Video https://youtu.be/mKTvwv2ISrg