Dia-Compe Gran Compe Small Flange Fixed / Fixed Rear Track Hub - Silver - 32 Hole

I had this built into a wheel in the spring. The hub/track end interface isn't substantial enough to get a decent grip. Even after I changed the supplied nuts with some proper track ones - adjustment was very difficult. The worst thing though was the wheel slipping on a few occasions - bringing me to an abrupt halt (and paint of the frame) when pushing hard on the pedals. Never had this with other track hubs.