Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Niner
2018 Niner AIR 9 3-Star Plus
Value Guide market data · 2018 Niner AIR 9 3-Star Plus
12-month trend
7%
Direction and magnitude, not judgment
vs. category average
— %
No category comparison available
Price over time - 2018 Niner AIR 9 3-Star Plus
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▲ 54% vs. 2018
2019$5,022 - $5,832▲ 4% vs. 2018
2018$4,836 - $5,616Currently viewing
2017$6,045 - $7,020▲ 25% vs. 2018
2016$7,440 - $8,640▲ 54% vs. 2018
2015$3,254 - $3,779▼ 33% vs. 2018
2014$5,952 - $6,912▲ 23% vs. 2018
2013$6,044 - $7,019▲ 25% vs. 2018
2012$5,766 - $6,696▲ 19% vs. 2018
2008$2,413 - $2,803▼ 50% vs. 2018
2007$2,412 - $2,802▼ 50% vs. 20182018 AIR 9 3-Star Plus lineup
Overview
About this bike
2018 Niner AIR 9 3-Star Plus value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork
- Fox 34 Float Factory Fit4, 3 position w/adjust, Kashima Coat, 120mm
- Frame
- AIR 9 hydroformed aluminum
Drivetrain
- Groupset
- 2018 Niner AIR 9 3-Star Plus
- Crankset
- SRAM Stylo 7k Eagle
- Bottom Bracket
- SRAM (PF30)
- Chain
- SRAM GX Eagle 12sp
- Rear Derailleur
- SRAM GX Eagle, 12-speed
- Cassette/Rear Cogs
- SRAM Eagle XG 1275, 10-50t
- Chainrings
- 32T
- Shifters
- SRAM GX Eagle 12sp
Brakes
- Brake Levers
- SRAM Guide R
- Brakes
- SRAM Guide R, 180/160mm G2CS rotors
Cockpit
- Saddle
- Niner Custom TR with Cr-Mo Rails, Printed Niner Graphic
- Headset
- Niner Integrated SHIS IS42/28.6|IS52/40
- Stem
- Race Face Aeffect R 50mm, 35mm Clamp
- Handlebars
- Race Face Aeffect R 780mm Wide, 20mm Rise, 35mm Clamp
- Seat Post
- KS Lev SI
- Tape/Grips
- Niner Grips L/O Nylon Flanged
Wheels & Tires
- Hubs
- Stan's NoTubes Neo
- Tires
- Front: Maxxis Rekon+ DC/EXO/TR 27.5 x 2.8<br>Rear: Maxxis Rekon+ DC/EXO/TR 27.5 x 2.8
- Axles
- Front: 110 x 15mm<br>Rear: 148 x 12mm
Accessories
- Rims/Wheels
- Stan's NoTubes ZTR Baron
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.