get a custom build. Contents 1 The Name 2 Tubes 3 Special or Odd Parts 4 Print 5 Paint 6 Weight 7 Pictures The Name Sputnik is a very tiny spacecraft. This is a tiny bike. Tubes Down Tube - True Temper HOXPLAT06, 1.25" Top Tube - NOV_CRTT_858_650 NOVA CRMO 25.4