This product has been discontinued

Thor Bio Quadrant Youth Dirtbike Helmet


  • Manufacturer: Thor


Thor Bio Quadrant Youth Dirtbike Helmet

The all new Quadrant Helmet offers increased performance, reduced weight and innovative styling. Designed to exceed both DOT and ECE 22.05 standards, the Quadrant is truly a world class helmet loaded with features normally found only on more expensive helmets. Featuring a dual density expanded polystyrene liner, extensive venting, molded roost guard, and a plush removable liner, the Quadrant offers comfort and performance in a lightweight package that’s got just the right balance and a great secure fit. Next time you ride, don’t settle for anything less than the category leading Quadrant Helmet.


  • Blended Acrylonitrile Butadiene Styrene and a Polycarbonate shell provides maximum coverage without excess weight
  • Molded roost guard for added protection
  • Oversized forehead venting
  • Direct flow mouth guard with mesh filter
  • Dual density expanded Polystyrene liner
  • Plush removable/washable comfort liner
  • Molded rear goggle strap holder
  • DOT and ECE 22.05 approved
  • Imported