TOTEM 26 Inches Y580 Alloy MTB SHIMANO 21 Speed FRAME: 26*17″STEEL MTB FORK: MODE MD-716I SHIFTER: SHIMANO ST-EF500 21S F.DERAILLEUR: CHINA R.DERAILLEUR: SHIMANO RD-TY21 CRANKS: TOTEM 24/34/42T BB: CHINA GEAR: 14-28T CHAIN: TAYA F.HUB: TOTEM STEEL 36H R.HUB: TOTEM STEEL 36H RIMS: TOTEM ALLOY DOUBLE WALL 36H TIRES: 26″*1.95 STEM: TOTEM ALLOY HANDLEBAR: TOTEM STEEL BRAKES: TOTEM MECHANICAL DISC BRAKE SEAT: VADER SEAT POST: STEEL ∮27.2*300MM