Niner has relaunched its race-worthy carbon hardtail. The updated Air 9 RDO sheds a bit of weight while adding compliance and the latest frame features.
Air 9 RDO Details
- Full carbon frame
- Two bottle mounts on all frame sizes
- 27.2 seatpost
- 148x12mm thru-axle
- Claimed sub-1,000g frame weight
- Available in XS – XL sizes
- Complete builds from $3,500 - $8,500 (UK and Australian pricing TBA)
- Available in June
New lines, new features
The Air 9 RDO gets slimmer in the back and stouter around the bottom bracket
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One of our criticisms of the last generation Air 9 RDO was that the rear end felt a bit harsh compared to the competition. It seems that improved vertical compliance was on Niner’s short list for improvements as well. The new Air 9 RDO has slimmer seatstays than its predecessor. The top tube is also more slender and ovalized. Last but certainly not least on the list of engineered flex additions is a move from a 31.6mm diameter seatpost to a much more compliant 27.2mm model.
While these aforementioned changes may add a bit of vertical compliance, the much larger cross section of the junction between the down tube and bottom bracket shell is all about putting the power down.
The move to a 148x12mm thru-axle rear end allowed Niner to shorten the chainstays by 4mm to 435mm/17.1in. The frame’s tire clearance remains unchanged, with room for up to 29x2.4in treads. Niner was able to make these changes while also increasing chaining clearance for 1x drivetrains.
Geometry changes
Pricing and availability
- 5-Star XTR 1x with RockShox RS-1 fork: $8,500
- 4-Star XO1 with RockShox RS-1 fork: $6,500
- 4-Star X01 with Fox 32 Float fork: $5,700
- 3-Star XT 1x with Fox 32 Float: $4,500
- 3-Star XT 2x with Fox 32 Float: $4,700
- 2-Star GX1 with RockShox Reba RL fork: $3,500
You can read more at BikeRadar.com
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