Specifications: Frame: 26x2.10, alloy, TIG welded main tube,hiten single rear fork Fork: 1-1/8, alloy stanchion, suspension Head Parts: Alloy, silver color, threadless Handlebar: Alloy, silver,downhill type Brake Set: Alloy ,V-brake Saddle: PVC cover,alloy seat post with clamp Crank Sets: Alloy cranks with spider, triple steel chainrings Rim: 26, alloy,double wall,black/silver Tire: 26x2.10, black F/R Hubs: Alloy,with quick release Gear Sets: SHIMANO TOURNEY TY40 21-speed derailleurs, SL-RS41L/417R Revo shift