one of most favorable price, authentic components for the bicycle(derailleur, brake, crank,saddle,flywheel, ... . It is very difficult for you to judge whether the components (saddle, tire, shifter,brake, crank and so on ) ... detailed information of this type of biycle parts as below. Frame: CARBONFork: RST GILA-T Handlebar: CARBONHead stem: KEZHEN 6061 ... : K-1047 26*1.95 BLACK mtb carbon frame bicycle