The American US BMX Crank Bearing is crafted for frames with a crank housing diameter of 51mm, typically present on older bikes and those at an entry-level.
Konstantin KlöpferNeuss, GermanyVerified Buyer5 of 5Fits perfectly for US bbAna JericDoberdo' Del Lago, ItalyVerified Buyer5 of 5Excellent qualityAki HänninenKuopio, FinlandVerified Buyer4 of 5Works. I think it would be good to put in the quantity that 1 piece means a package with 2 bearings. Now I ordered 2 packs for nothing.Carsten NielsenHasselager, DenmarkVerified Buyer2 of 5seems incredibly fragile and does not run properly, some of the balls had fallen out when opening the envelope.Szmigielska MonikaForst (Lausitz), GermanyVerified Buyer5 of 5Super 100%Martin BergendorffOslo, NorwayVerified Buyer4 of 5Belt ok
