BSD Freedom Frame - 2019An all new BSD Freedom 2019 model for Kriss Kyle's signature frame, designed to perform well on all terrain this frame combines the stability of a low 11. 5" BB, the responsiveness of a 75 headangle and the versatility of a short rear end. To create a stiffer rear triangle BSD have utilized an invest cast wishbone and invest cast seatstay bridge, great for sideways landings! ###section### Product Specs MATERIAL: Full 4130 Chromoly HEAD TUBE ANGLE: 75