Our AIR 9 is an aluminum hardtail with the DNA of a trail bike.

This frame combines the agility and efficiency of a pedal-friendly XC bike with the versatility, toughness and capability of a rowdy trail rig.

• AIR 9 features a hydroformed 6061 aluminum frame and utilizes a 12x148 axle to provide stiffness and comfort in one durable package.
  
• Pair with a 120mm fork and up to 29x2.40" tires and you have a bike fit for any trail.
  
• build it geared or single speed using our Single Speed Nut and Biocentric 30 bottom bracket (sold separately).
  
• Each Niner frame is backed by a Lifetime Warranty.
  
• Frame comes with Niner seat collar, derailluer hanger, Niner headset, headset 
• spacers, YAWYD top cap and frame build accessory kit.