BSD ALVX AF Frame

Alex Donnachie signature frame designed for highly technical street and park riding.  Made from 100% Japanese Sanko seamless 4130 chromoly tubing. Featuring an integrated headtube, integrated seat clamp. Butted tubing and external gussets at toptube/headtube and downtube/headtube junctions. New invest cast chainstay yoke significantly increases rear end strength while also allowing for a "slammed" rear wheel to accommodate a large tire. Also featuring 7mm thick invest cast 14mm dropouts with built-in chain tensioners.  NOTE: THIS FRAME IS NOT DESIGNED FOR USE WITH BRAKES.  Headtube angle 75.5° Headtube length 117mm Seattube angle 71° Rear end length 12.5-13" BB Height 11.7" Standover height 8.7" Weight 5lbs Brake mounts none - brakeless Tubing Sanko Japanese seamless 4130 chromoly