Dirt Rag Magazine

Niner updates its AIR 9 RDO hardtail

Niner AIR 9 RDO-2

Niner Bikes has refreshed its ultimate carbon hardtail, the AIR 9 RDO (Race Day Optimized). The frame is now 10 percent ligher and the geometry was updated specifically for racers and riders who want a “snappy whip.” Changes include a 435 mm chainstay (4 mm shorter than the previous version) that allows the wheel to tuck closer to the bottom bracket while still allowing for a 2.4 inch tire (depending on type) and up to a 38-tooth chainring. The cockpit is longer, the head angle is slacker and the handlebar height lower (on the 100 mm fork setup) for go-fast aggressive racing.

Niner AIR 9 RDO-3

The frame can now accept up to a 120 mm fork, which brings the bars up and shortens the reach over the 100 mm race version, providing more neutral handling. The bike’s rear gets 148 x 12 mm Boost spacing and, while the seatpost size is only 27.2, the frame is internal dropper post compatible.

Niner AIR 9 RDO-1

Sizes range from extra small to extra large, all of which will have two bottle cage mounts. The top-of-the-line build features a full Shimano XTR 1×11 kit with Niner’s own carbon XC wheels, the RockShox RS-1 Solo Air 100 mm fork and Maxxis Ikon tires for $8,500. Five other build levels are available, down to the “2-Star” SRAM GX1 build for $3,500 with a RockShox Reba 120 mm fork and GX1 1×11 components.

The new AIR 9 RDO bikes will begin shipping in June.

Niner Bikes AIR 9 RDO from Niner Bikes on Vimeo.

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