Carl B.Herne Bay, United KingdomVerified Buyer5 of 5Once again, skatepro have what we need at a great price. Re-building a midschool dirt jumper these euro BB converters are spot onPent AxisRotherham, United KingdomVerified Buyer5 of 5Everything you need for your euro BB setup! Slightly wider external edge which means larger spanner flats for fitting and removal. I can't comment on bearing life at this point but when set up properly with the correct spacing, they spin very nicely indeed!