-Garrett is a union heavy equiptment operator by day, this is signature model frame. The GB frame has a Spanish BB shell, internal headset headtube drilled for Fly gyro tabs, lowered chainstays with grind plates and lowered brake mounts so you can run the smallest gearing set ups with ease and small 14mm dropouts. Weight to 5.45lbs.. Headset, bottom bracket and gyro tabs sold seperately.