700C RSD DISC BRAKE TUBULAR FOR AERO|PERFORMANCE|ENDURANCE ROAD BIKES Key Features Lightweight disc brake system Special layup schedule to allow as high as 160psi tire pressure Easy tire mount&tubeless ready design Aerodynamic profile design Economical high end rims Model RSD33T Tubular|DISC RSD38T Tubular|DISC RSD44T Tubular|DISC RS1