125cc quad atv,with semi-automatic,HR XW-A12 semi-automatical reverse,drum/disc brake,chain drive ... /7500rpm4. ignition type :CDI5. transmission :4-speed,semi-automatic reverse chain drive6.Brake (Front/Rear):Drum/Disc7. ... details :double A x swing arm10. rear suspension details :mono shock swing arm11. front tire spec : 19x7-8. rear ... size:145*83*71cm 125cc quad atv,with semi-automatic,HR XW-A12