Frame: 27.5 ALLOY MTB FRAME Crankset: PROWHEEL 24X34X42T Brake: TEKTRO MECHNICAL DISC BRAKE Fork: ZOOM SUSPENSION FORK Front derailleur: SHIMANO TOURNEY Handlebar: ALLOY HANDLEBAR Tire: CHAOYANG 27.5”*2.1 TIRE Rear derailleur: SHIMANO TOURNEY Stem: ALLOY STEM Rim: RAINBOW DOUBLE WALL ALLOY RIMS Shifter: SHIMANO ALTUS Seat post: ALLOY SEAT POST Hub: KT ALLOY HUB Freewheel: SHIMANO TZ 14-34T Size: 14”;16“