Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Niner
2019 Niner AIR 9 2-Star NX Eagle 29
Value Guide market data · 2019 Niner AIR 9 2-Star NX Eagle 29
12-month trend
15%
Direction and magnitude, not judgment
vs. category average
2%
Drops faster than category avg
Price over time - 2019 Niner AIR 9 2-Star NX Eagle 29
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All AIR model years
2021$7,440 - $8,640▲ 48% vs. 2019
2019$5,022 - $5,832Currently viewing
2018$4,836 - $5,616▼ 4% vs. 2019
2017$6,045 - $7,020▲ 20% vs. 2019
2016$7,440 - $8,640▲ 48% vs. 2019
2015$3,254 - $3,779▼ 35% vs. 2019
2014$5,952 - $6,912▲ 19% vs. 2019
2013$6,044 - $7,019▲ 20% vs. 2019
2012$5,766 - $6,696▲ 15% vs. 2019
2008$2,413 - $2,803▼ 52% vs. 2019
2007$2,412 - $2,802▼ 52% vs. 20192019 AIR 9 2-Star NX Eagle 29 lineup
Overview
About this bike
2019 Niner AIR 9 2-Star NX Eagle 29 value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork
- ROCKSHOX JUDY GOLD RL SOLO AIR, 120MM, 51MM OFFSET
- Frame
- AIR 9 HYDROFORMED ALUMINUM, 1X OR 2X COMPATIBLE, FITS TIRES UP TO 29 X 2.4" OR 27.5 X 3.0"
Drivetrain
- Groupset
- SRAM NX
- Bottom Bracket
- SRAM DUB PF30
- Cassette
- SRAM PG 1230 11-50T
- Chain
- SRAM NX EAGLE 12SP
- Chainrings
- 32T
- Crankset
- SRAM NX EAGLE DUB
- Rear Derailleur
- SRAM NX EAGLE 12SP
- Shifters
- SRAM NX EAGLE 12SP
Brakes
- Brake Levers
- SRAM LEVEL
- Brakes
- SRAM LEVEL | 180/160MM G2CS ROTORS
Cockpit
- Handlebar
- RACE FACE AEFFECT R 780MM WIDE, 20MM RISE, 35MM CLAMP
- Headset
- NINER INTERNAL ZS44/28.6|ZS56/40
- Saddle
- NINER CUSTOM TR WITH CR-MO RAILS, PRINTED NINER GRAPHIC
- Seatpost
- NINER ALLOY SEAT POST, 370MM, NINER GRAPHIC
- Stem
- RACE FACE AEFFECT R 40MM, 35MM CLAMP
- Grips
- NINER GRRRIPS L/O NYLON FLANGED
Wheels & Tires
- Axles
- FRONT: 110 x 15MM, REAR: 148 x 12MM
- Front Tire
- FRONT: MAXXIS MINION DHF 3C/EXO/TR 29x2.5, REAR: MAXXIS REKON 3C/EXO/TR 29x2.4 WT
- Rims
- NINER ALLOY, 6061 RIM, 25MM INSIDE, 29MM OUTSIDE, 20MM DEPTH, WELDED SEAM
- Spokes
- STAINLESS 14G
Frame sizing
XS4'10"-5'2"
S5'2"-5'6"
M5'6"-5'10"
L5'10"-6'2"
XL6'2"-6'6"
M highlighted as most common resale size. Sourced from catalog metadata.
Geometry
- Stack
- Varies by size
- Reach
- Varies by size
- Wheelbase
- Varies by size
Industry standard. Sourced from catalog metadata.
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Wheel condition
Inspect rims, hubs, spokes, and bearing play; ask about the tire age and any prior wheel rebuilds.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.
Inspection
Suspension service
Confirm fork lowers and rear shock service intervals; ask for the most recent service receipts.
Inspection
Frame pivots & bearings
Cycle the suspension off the bike to feel for play, grit, or noise in pivot bearings.