Subrosa Rose FrameSubrosa designed the Rose to bridge the gap between 18" bikes and full sized 20" rides, with a range of top tube sizes from 20" up to 21. 2" you can make sure you get the perfect frame for your height. Its full 4130 chromoly construction utilises double butted top and down tubes, gusseted reinforcements at the head tube and a unique chain stay join for maximum strength and rigidity. It boasts a super short 12. 9" rear end length and a lower standover