Kraft/Tech frames are an other Zodiac exclusive. These high quality frames are handcrafted in the USA, using the highest quality steel. All steel tubing is in-house mandrel bent and further in-house TIG-MIG welded on state-of-the-art equipment. For building a real "Bobber" we supply these hardtail style frames with dual straight or wishbone style down tubes. These frames accept Panhead, Shovelhead and Evolution style engines with clearance for cylinders up to .200" taller then stock. These rigid frames have solid steel welded front and rear motor mounts with offset in the straightleg frames to accept up to 180 wide tires. Engine bolts right in without any modification or spacing. The welded-in solid steel transmission plate is designed to take an Evolution Softail style transmission housing and has a built-in offset on the straightleg frames. The back bone is made from 1 1/2" steel tubing, with welded gas tank mounts to suit Softail-style flatside tanks. All other tubing is 1 1/4" diameter. Straightleg frames also have a provision for 1986 thru 1999 Softail style rear caliper brackets. Rear fender bracket and an adjustable seat bracket are also welded in place. Frame also features OEM style rear axle carriers to take stock style axle adjusters. Below indicated rear tire sizes are in combination with a 1 1/2" wide belt. Frames for 180 series rear tires include a 3/4" wheel axle, frame for 140 series rear tire takes ZPN 339067 (OEM 41552-73) rear axle.