Introducing the Air 9 Carbon: purpose-built to be incredibly light and fast, combined with the razor sharp handling and forgiving ride you’ve come to expect from frames with the Air 9 designation.
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The S.I.R. 9 is the most versatile bike in the Niner stable, fusing the “steel is real” feel of Reynolds tubing with the ability to run the frame as either a geared bike or single speed.
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