BSD Grime Frame

  Denim Cox signature frame.  Made from 100% Japanese Sanko seamless 4130 chromoly tubing.  Butted tubing and external gussets at toptube/headtube and downtube/headtube junctions. Featuring an integrated seat clamp, mid bottom bracket shell, and 7mm thick invest cast 14mm dropouts with built-in chain tensioners. New invest cast chainstay yoke significantly increases rear end strength while also allowing for a "slammed" rear wheel to accommodate a large tire.  NOTE: THIS FRAME IS NOT DESIGNED FOR USE WITH BRAKES.  Headtube angle 75.5° Headtube length 117mm Seattube angle 71° Rear end length 12.8-13.2" BB Height 11.7" Standover height 9" Weight 5lbs Brake mounts none - brakeless