FRAME: steel & TIG welding FRONT FORK: steel DERAILLEUR: yes WHEEL SETS: 26'' ... of CE & ISO9001. We have our own frame, fork and tyre factory, TIG welding plant, phosphating pool, stoving ... have guaranteed we can offer you the best quality with competitive price. Our bikes and frames have exported ... Philippines, Thailand, Vietnam, Malaysia, Dubai, Turkey, etc. MTB With F&R fenders CE & ISO9001 report