Niner Air 9 27.5+ 2-Star 2018
2018 Mountain
Estimate price |
2,600$
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 27.5" -
Travel Front 120mm -
Fork Fox Rhythm Float 34
-
Groupset GX, Truvativ Stylo -
Suspension Hardtail -
Drivetrain 1 × 12 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
XS
156cm - 166cm
SM
163cm - 174cm
MD
171cm - 182cm
LG
179cm - 189cm
XL
185cm - 195cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Aluminum
Suspension Fork
FOX 34 Float Rhythm, GRIP damper, EVOL air canister
Rear Shock
N/A
Drivetrain
Rear Derailleur
SRAM Eagle GX, 12-speed
Front Derailleur
N/A
Shift Levers
SRAM Eagle GX, 12-speed
Cassette
SRAM XG-1275, 10-50 tooth
Crank
SRAM Stylo 7K Eagle
Bottom Bracket
Pressfit
Chain
SRAM GX Eagle, 12-speed
Chain Guide
N/A
Pedals
N/A
Wheels
Front Hub
Niner Alloy 27.5+, 15mm x 110mm, 12mm x 148mm
Rear Hub
Niner Alloy 27.5+, 15mm x 110mm, 12mm x 148mm
Rims
Niner Alloy 27.5+
Tires
Maxxis Rekon+ 2.8" EXO, dual compound, tubeless ready
Brakes
Brakes
SRAM Guide R, 180mm front / 160mm rear rotors
Brake Levers
SRAM Guide R
Cockpit
Stem
Race Face Aeffect R, 50mm length
Handlebar
Race Face Aeffect R, 780mm width, 20mm rise
Grips
Niner Grrrips, nylon flanges
Headset
Niner headset, integrated SHIS, IS42 top, IS52 bottom
Seat
Saddle
Niner Custom TR, chromoly rails, printed Niner graphic
Seatpost
KS Lev Integra SI
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | XS | SM | MD | LG | XL |
|---|---|---|---|---|---|
| Stack Reach Ratio | 1.53 mm | 1.48 mm | 1.45 mm | 1.42 mm | 1.4 mm |
| Bottom Bracket Height | 303 mm | 303 mm | 303 mm | 303 mm | 303 mm |
| Front Center | 680 mm | 695 mm | 714 mm | 740 mm | 767 mm |
| Rake | 54 mm | 54 mm | 53 mm | 54 mm | 54 mm |
| Trail | 85 mm | 85 mm | 86 mm | 85 mm | 85 mm |
| Stack | 617 mm | 617 mm | 627 mm | 641 mm | 659 mm |
| Reach | 402 mm | 417 mm | 432 mm | 452 mm | 472 mm |
| Top Tube Length | 577 mm | 592 mm | 610 mm | 634 mm | 659 mm |
| Seat Tube Angle | 74 ° | 74 ° | 74 ° | 74 ° | 74 ° |
| Seat Tube Length | 356 mm | 394 mm | 419 mm | 483 mm | 533 mm |
| Head Tube Angle | 68 ° | 68 ° | 68 ° | 68 ° | 68 ° |
| Head Tube Length | 100 mm | 100 mm | 110 mm | 125 mm | 145 mm |
| Chainstay Length | 434 mm | 434 mm | 434 mm | 434 mm | 434 mm |
| Wheelbase | 1109 mm | 1124 mm | 1143 mm | 1169 mm | 1196 mm |
| Bottom Bracket Drop | 52 mm | 52 mm | 52 mm | 52 mm | 52 mm |
| Standover Height | 705 mm | 736 mm | 755 mm | 807 mm | 848 mm |
| Wheels | 27" | 27" | 27" | 27" | 27" |
| Rider Min Height | 156 cm | 163 cm | 171 cm | 179 cm | 185 cm |
| Rider Max Height | 166 cm | 174 cm | 182 cm | 189 cm | 195 cm |
About this model
Air 9 27.5+ 2-Star is part of the Niner Air model. Niner released 64 bikes variations of this model so far. Check out the entire range from 2018 of this model, by clicking this link.
Model range prices
Niner Air 9 29 1-Star 2018 is the most economical model, with a starting price of 1700$. Niner AIR 9 RDO 5-STAR 2018 on the other hand costs 6300$, and is the most expensive model.
Safety
Your safety should be the top priority when you go for a ride. In short, make sure that you always use a helmet, high visibility clothing, and proper lights when riding at night-time.
Trail bikes average price
According to our calculations, the average cost of a Trail bike that is reliable is 2762$. However, this doesn’t mean that if you spend less money on a Trail bike, you couldn’t get a decent one. As a general rule of thumb, you should always read reviews about the bike and its components before buying it to ensure you don’t pay too much.
When Niner released this model in 2018, its price was 2600$. In conclusion, this bike price is 6.23% smaller than the price of the average Trail bike.
Air 9 27.5+ 2-Star components
Fork
This bike has the Fox Rhythm Float 34 fork installed. The fork’s travel is 120mm. Bike forks are good shock absorbers and provide a smooth ride and a great experience. To sum up, when buying a bicycle, make sure you get a fork that is capable of delivering decent travel.
Wheels
When it comes to wheels, the Air 9 27.5+ 2-Star bike is equipped with the 27.5″ aluminum model. 27.5″ wheels will reach higher speeds than smaller-sized wheels. However, the 27.5″ wheels are less forgiving than the 29″ wheels.
Brakes
Nothing is more important on a bike than its ability to brake properly. Niner Air 9 27.5+ 2-Star is equipped with Hydraulic Disc brakes. With Hydraulic Disc brakes, you’ll be able to stop on a dime, even in wet or icy conditions. To sum up, these are ideal for anyone.
Sizes
Niner Air 9 27.5+ 2-Star bike has 5 sizes, in the range of 156 cm – 195 cm (5.12 ft – 6.4 ft). In conclusion, finding one for you shouldn’t be a problem.
Dropper post
The Niner model is also equipped with a dropper post. If used correctly, a dropper post gives you more faith, maneuverability, and greater control over your bike.