Kink Contender Frame material: 100% Seamless Sanko 4130 Chromoly Tubing top tube length: 21 inch head tube angle: 75 degrees head tube length: 117mm seat tube angle: 71 degrees chainstay length: 13,25 (slammed) bottom bracket height: 11,6 inch standover height: 9 inch head tube: compatible with integrated headsets (45/45) bottom bracket: mid | machined seat tube: fits 1 inch (25,4mm) seat posts dropouts: 14mm slots | removable integrated chain tensioners | Investment Cast down tube gusset: yes top tube gusset: yes tire clearance: for big tires brake mounts: removable on seatstay (included) gyro tab holes: yes color: ed black additional information: Integrated Seat Clamp with Radiused Top Oval Downtube for Improved Dent Resistance D-Shape Seatstay and Chainstay Tubes for Added Tire Clearance Investment Cast Wishbone and Contender Seatstay Bridge Anti-Slip Interior Dropout Knurling