Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Niner
2018 Niner AIR 9 RDO 5-Star
Value Guide market data · 2018 Niner AIR 9 RDO 5-Star
12-month trend
8%
Direction and magnitude, not judgment
vs. category average
— %
No category comparison available
Price over time - 2018 Niner AIR 9 RDO 5-Star
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. 20182018$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 RDO 5-Star lineup
Overview
About this bike
2018 Niner AIR 9 RDO 5-Star value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork
- Fox 32 Float SC Factory Fit4 w/remote lockout, Kashima Coat, 100mm
- Frame
- AIR 9 RDO carbon
Drivetrain
- Groupset
- 2018 Niner AIR 9 RDO 5-Star
- Crankset
- SRAM X1 Eagle Carbon
- Bottom Bracket
- SRAM PF30
- Chain
- SRAM X01 Eagle 12sp
- Rear Derailleur
- SRAM X01 Eagle 12sp
- Cassette/Rear Cogs
- SRAM Eagle XG 1295, 10-50t
- Chainrings
- 32T
- Shifters
- SRAM X011 Eagle 12sp
Brakes
- Brake Levers
- SRAM Guide RSC
- Brakes
- SRAM Guide RSC, 180/160mm Centerline rotors
Cockpit
- Saddle
- Niner Custom with CrN-Ti Rails, Embossed Niner Graphic
- Headset
- Niner Integrated SHIS IS42/28.6|IS52/40
- Stem
- Niner RDO Stem
- Handlebars
- Niner Flat Top RDO, 780mm
- Seat Post
- Niner RDO Seat Post, 400mm
- Tape/Grips
- Niner Grips L/O Nylon
Wheels & Tires
- Hubs
- DT Swiss 350, 32h
- Tires
- Front: Maxxis Ikon 3C/EXO/TR 29 x 2.35<br>Rear: Maxxis Ikon 3C/EXO/TR 29 x 2.20
- Axles
- Front: 110x15mm<br>Rear: 148x12mm
Accessories
- Rims/Wheels
- Niner Carbon XC
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.