BSD Safari FrameReed Stark signature material: sanko Japanese seamless 4130 Chromoly toptube length: 21 inch headtube angle: 75 degrees head tube length: 123mm seattube angle: 71 degrees chainstay length: 13 13,5 inch bottom bracket height: 11,75 inch standover height: 9,5 inch headtube: compatible with integrated headsets (45 45) bottom bracket: mid seattube: fits 1 inch seat posts integrated seat clamp dropouts: 14mm slots downtube gusset: yes toptube gusset: yes