Air 9 RDO Mountain Bike Frame - 2018
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The improved geometry of the 2017 Air 9 RDO Mountain Bike Frame is a testament to Niner’s unrelenting drive to refine the company’s crown jewel of hardtail racing. The Air 9 offers a more aggressive race fit with a lower handlebar height, and the extended cockpit and tapered headtube deliver a nimble frame with precise handling. The Air 9 also delivers the stiffness of a PF30 bottom bracket, and the 148mm Boosted rear axle spacing provides added stability and improved performance with today’s wider rims and beefier tires. To give you a more comfortable ride, Niner downsized the seatpost to a more forgiving 27.2mm. Most importantly, the Air 9 RDO is constructed with Niner’s Carbon Compaction System, which reduces excess resin build-up, allowing Niner to use less material and control the thickness of the tube wall across the frame me with the utmost precision. The result is a considerably lighter frame that is stronger and more durable.
- Frame Material
- carbon fiber
- Suspension
- hardtail
- Wheel Size
- 29 in
- Fork Travel
- [recommended] 100 - 120 mm
- Head Tube Diameter
- 1-1/2 to 1-1/8in tapered
- Headset Included
- yes, Cane Creek 40
- Bottom Bracket Type
- 73 mm PressFit 30
- ISCG Tabs
- no
- Cable Routing
- internal
- Front Derailleur Mount
- 34.9 high clamp
- Derailleur Pull
- bottom, side
- Brake Type
- disc
- Seatpost Diameter
- 27.2 mm
- Seat Collar
- 31.8 mm
- Rear Axle
- 12 x 148mm Boost
- Recommended Use
- cross country
- Manufacturer Warranty
- 5 years
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