At 19lbs if seems like there isn't much effort to get the weight down, my cyclocross bike 2x12 with road tires is 19.5 while my daughter's with road tires and 1x12 is 18.75lb, both are steel frames, seems like just a swap to aluminum or carbon frames would drop a lb with no real effort. A real effort to shave weight wouldn't take much, some lightbicycle carbon rims with lighter spokes and hubs could get mine into the sub18lb range with a little effort.