How To Replace 1 Piece BMX Bike Cranks With 3 Piece Cranks And Sealed Bottom Bracket

Here is how to replace 1 piece BMX bike cranks with a 3 piece crank and a sealed bottom bracket. I also show how to Make a bearing press. It is easy to replace your 1 piece bike crank with a sealed bottom bracket and 3 piece cranks. Make sure you get The right size sealed bottom bracket for your bike. The one in the video is American size. That is probably what size bottom bracket you have as well. The bottom bracket is a Mechanik American kit with 19 mm bearings. On Danscomp the item number is 456061A1A19*A. The cranks are Sunday Saker cranks with a 19mm spindle.