Truth flatland frames are made out of 100% 4130 Cr-Mo, CNC integrated 45/45 head tube with gyro tabs, top and down tube gussets for additional strength ,CNC Spanish BB shell,integrated seat post clamp,seat stay located bosses for removable U-brake mount.  Room for large 2.50" tire,14 mm dropouts with integrated chain tensioners,7 MM thick. 

​Chromoly 4130
Top Tube Length 18.5",19.0",19.5" ,20.5"
Rear End length 13.25" center to center
Head tube Angle. 74.5°
Seat post Angle 70 °
Spanish Height 11.60"
Mid BB
Stand over 7"
Brake mounts
Integrated Chain tensioners
Integrated seat post clamp
14 mm Dropouts 7 mm thick
2.50 Tire clearance.
Tapared rear tri at dropout