Top-Graded 26"&27speed Aluminum Montain Bike-X7

frame aluminum alloy, flat posision welding
Fork: SUN TOUR, aluminum alloy, wire locked fork
Handle bar aluminum alloy
Stem aluminum alloy
Seat post aluminum alloy
Brake SHIMANO hydraulic disc brake
Hubs OTA aluminum alloy, bearing type,
Rims OTA aluminum alloy, bearing type,
Tyres MAXXIX tyre
Shifters SRAM X-7, left 3speed, right 9speed
Front derailleur SRAM X-7,
Rear derailleur SRAM X-7,
Chain Z99.108level
Free wheel 11-34T, 9Speed
Speed for bicycle 27speed