The V900 is our top of the range bike with brand new calibrated frame, mounted for sweat protection, & a resistance knobincorporating the brake. Instyle innovative design has incorporated the resistance mechanism inside the bike frame, this gives considerable advantage over other manufactures who have left them exposed orcovered up this sweat sensitive area with plastic guards. The V900 is the ideal bike for the professional fitnesscentre, with its kevlar belt drive covered in aheavy duty guard giving silent velvet smoothrunning.