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Niner Bikes Air 9 29er Hardtail
Product DescriptionThe time-tested Niner A.I.R. 9 frame is a force to be reckoned with, redesigned with beefy, hydro-formed aluminum tubing.
User Reviews 
Submitted by
ajradman
a Cross Country Rider Date Reviewed: September 12, 2012 Strengths: Lightweight, stiff, good looks, nice geometry even for a short rider like me Weaknesses: None identified after first 4 months Bottom Line: Expand full review >>Price Paid:
$4000.00 Purchased At: Wrench Science Bike Setup: You can see a pic of the bike and setup on the following link: http://www.wrenchscience.com/Common/PopupWindows/ViewBike.aspx?buildID=10995620&from=Gallery
Submitted by
Trail Rider
a Cross Country Rider Date Reviewed: May 8, 2012 Strengths: Frame geomertry is dialed. Climbs like a billy goat and it decends even better. 22.98 weight weenie lbs, as-built. Weaknesses: None, other than my choice of tires. Bottom Line: Expand full review >>Purchased At: Local shop Similar Products Used: Specialized Comp 29, Scott Scale Pro Carbon, Santa Cruz Highball Carbon, Niner S.I.R and Niner Air 9 Scandium. Bike Setup: Sid 29, Stans ZTR Crest, XO crank, X9 DT & Brakes, Schwalbe Performance Racing Ralph, Niner Carbon Post
Submitted by
Harry
a Cross Country Rider
from Huntsville, AL, USA Date Reviewed: August 22, 2011 Strengths: I was very impressed on the reaction time the niner had on climbing technical terrain. It was much easier to get over the technical terrain easier than it was for the 26 bikes that I rode with. It rode really well going up steep areas that seemed impossible to climb. The frame is awesome, and the fork was great as well. It seemed as if I spent less energy going thru and up the technical terrain, than I did when I had a 26. The bike didn't buck me around compared to the 26. I weigh around 140. I rode over stuff that I have never ridden over before. Weaknesses: The cornering, but I think it was more Me than the bike. I just need to learn how to corner around 180 degree turns on it. Bottom Line: Expand full review >>Favorite Trail: Anything Technial Duration Product Used: Tested or demo'ed only Purchased At: Blevins Bicycle Shop Similar Products Used: None Bike Setup: NIner Air 9 frame, rock shox (reba) fork, XT (10 SP), XT Disc Brakes, Fizik Saddle, Continental Tires, Stans wheels/hubs
Submitted by
Niner Air9 Junky
a Cross Country Rider
from South Florida Date Reviewed: June 1, 2011 Strengths: I love this bike. Super light frame that has minimal flex while climbing. Its like a goat. I pass FS guys all the time going up hill. Its very nice on the eyes and the geometry is spot on for my XC type of riding. Wheels just plow through the roots in Florida. Weaknesses: Frame is a little expensive but so far it has been worth it. Nothing else has happened that would make me think less of this bike. Bottom Line: Expand full review >>Favorite Trail: Markham, Alafia, Santos Duration Product Used: 6 months Price Paid: $2800.00 Purchased At: Racers Edge in Boca Similar Products Used: Various 26'ers and a few lower priced 29'ers. Bike Setup: Reba RLT Ti Fork, full X9 components, Thompson set post, Ritchey handle bars, Cane Creek headset, Thompson steam, Elixer CR break (with absolutely no problems), XT pedals, WTB Pro sadal, Nano up front and Kenda's in the back.
Submitted by
rickyrod
a Cross Country Rider
from Atlanta Date Reviewed: May 13, 2011 Strengths: Lightweight, fast bike with fast climbs, rigid when descending. Weaknesses: None so far. Bottom Line: Expand full review >>Favorite Trail: Blankets Creek Duration Product Used: 3 months Price Paid: $4200.00 Purchased At: Alpha Bikes Similar Products Used: Gary Fisher Superfly 100, GT Marathon Carbon, Trek 9.9, Giant NRS Air Bike Setup: XTR with Rock Shox Reba XX, Thompson Masterpiece seatpost, Thompson elite stem, FSA SLX Carbon handlebar, Easton EA90XC wheels
Submitted by
nsconts
a Weekend Warrior
from Lawrenceville, GA Date Reviewed: April 29, 2011 Strengths: Lightening Fast, Efficient Climber, Light Weaknesses: None Bottom Line: Expand full review >>Favorite Trail: Chicopee Woods Duration Product Used: Less than 1 month Price Paid: $3200.00 Purchased At: Custom Built Bike Setup: Air 9, Fox F29 RLC, Elixir 5, X-9 shifter, derailers & crank, Oury grips, American Classic wheels & jubs, Maxxis Ignitor tires
Submitted by
dmcfence
a Cross Country Rider
from anacortes wa Date Reviewed: October 2, 2010 Strengths: light.............. light..... did i mention LIGHT! Weaknesses: paint chips pretty easily and takes up half the bed Bottom Line: Expand full review >>Favorite Trail: backyard Duration Product Used: More than 3 years Price Paid: $450.00 Purchased At: online Similar Products Used: nothing like a niner! Bike Setup: sub 19lb rig. sram xx/niner rigid carbon fork/i9 ultralites...ect yadyada
Submitted by
david salley
a Cross Country Rider
from richmond, VA, USA Date Reviewed: July 9, 2010 Strengths: Geometry (turning quickness), climbing, roomy cockpit, light Weaknesses: supposedly low BB Bottom Line: Expand full review >>Favorite Trail: buttermilk Duration Product Used: Less than 1 month Price Paid: $580.00 Purchased At: ebay Similar Products Used: none Bike Setup: Med frame, 80 mm rigid karate monkey fork, 100 stem, 22 inch cheapo bar, lay back post, dt swiss 240s with stan's ztr crest. front small block 8 and rear cross mark tubed tires running tubeless.
Submitted by
29erider
a Cross Country Rider
from Marquette Date Reviewed: May 24, 2010 Strengths: light, climbs like a goat, great bang for the buck Weaknesses: tough on the downhills(but that can be expected from a fully rigid bike). and the low slung bottom bracket allows your pedals to get ravaged by rocks Bottom Line: Expand full review >>Favorite Trail: pioneer Duration Product Used: 3 months Price Paid: $1375.00 Similar Products Used: gary fisher hi fi pro 29er Bike Setup: sram xo shifters, raceface cranks, white brothers rigid fork, avid juicy sevens brakes
Submitted by
Drewmanmtu
a Cross Country Rider
from Grand Haven, MI, US Date Reviewed: May 12, 2010 Strengths: Light weight and climbs like a dream. I have never ridden anything faster on smooth trails. Originally had some stability problems in sand but since switching to the Karma's it tracks nice and straight. I did notice some people commenting about the paint quality, but on my first ride I had a large rock nail the down tube. I expected to see a large chip once I got back to the car but there was nothing. Weaknesses: On rough down hill sections the bike is a little twitchy. It is probably mostly due to my inexperience with the ridge fork so time will tell. Bottom Line: Expand full review >>Favorite Trail: Owasippe Duration Product Used: 3 months Price Paid: $720.00 Purchased At: Free Wheeler Similar Products Used: Giant XTC Bike Setup: Race Face Deus, Sram X0, Salsa Delgato Race, Niner Carbon Fork, Kenda Karma, Shimano XT Hydraulic Disk Breaks
Submitted by
Keys
a Weekend Warrior
from Rochester, MN Date Reviewed: April 17, 2010 Strengths: The frame is strong and stiff, with plenty of clearance for mud. It's light. Weaknesses: Niner production had me waiting months to get the frame and even longer for the carbon fork. Bottom Line: Expand full review >>Favorite Trail: Murphy Duration Product Used: 1 Year Price Paid: $699.00 Purchased At: Eriks Similar Products Used: Raleigh XXIX 29r, geared. Bike Setup: Wrapped by XTR dual control, Niner carbon fork. The bike is fully ridged. Wheels are DT-Swiss 190 hubs with Stan's ZTR rims. Riding tubeless.
Submitted by
BigJ
a Cross Country Rider
from Tucson, AZ Date Reviewed: November 21, 2009 Strengths: Extremely light with great geometry. Climbs like no other bike I've ridden. 29 inch wheels roll up and over everything. Weaknesses: None Bottom Line: Expand full review >>Favorite Trail: 50 yr trail Duration Product Used: 3 months Price Paid: $3500.00 Similar Products Used: Gary Fisher Cake 2, Specialized Stumpjumper, Specialized Enduro Bike Setup: Niner air raw. RF deus cranks. Shimano XT derailluers. Avid Elixir brakes. Mavic C29ssmax wheelset.
Submitted by
thecanuck
a Weekend Warrior
from Marietta, GA, USA Date Reviewed: October 13, 2009 Strengths: Great Handling, inspiring ride, forgiving on loose corners, climbs better than anything I've ridden. The finish and build quality is superb - best I've seen. Very light weight but that doesn't matter that much on a bike like this. Weaknesses: none Bottom Line: Expand full review >>Favorite Trail: Tea Creek Mtn Duration Product Used: 3 months Price Paid: $750.00 Purchased At: Bear Creek Bikes, Da Similar Products Used: Voodoo Aizan, Niner SIR Bike Setup: - King/Stan's Flow Wheels - White Bros Magic 29/100 fork - Raceface Deus, HS, Stem, Seatpost, Cranks, Next Riser Bar - SRAM X.9 F&R Ders - Avid BB7, SL Brakes, FlakJacket Cables - Maxxis Ignitor and Stan's Crow Tires
Submitted by
shehateme
a Racer
from Wisconsin, Oregon.U.S. Date Reviewed: March 20, 2009 Strengths: Simply the best I have ridden. Very light. The frame just fits righ and feels great. Weaknesses: None at all Bottom Line: Expand full review >>Favorite Trail: Diamond Lake Duration Product Used: 6 months Price Paid: $2900.00 Purchased At: EBAY Similar Products Used: Nothing compares. It is just that awesome. Bike Setup: SRAM xX-9  
Submitted by
s3pt1k
a Cross Country Rider
from Salty City, Utah Date Reviewed: March 20, 2009 Strengths: Super light, nice ride quality, raw finish is nice at first, Niner service Weaknesses: SUPER flexy, creaky, cracked the chainstay, scandium isn't all it's cracked up to be if you weight 200lbs+, Niner service Bottom Line: Expand full review >>Favorite Trail: United States Duration Product Used: 6 months Price Paid: $750.00 Purchased At: LBS Similar Products Used: Gary Fisher Cobia, Niner EMD 9 Bike Setup: Hadley Hubs, WTB Dual Duty hoops, Xt cranks, Fox F29 (100mm) Thomson cockpit,
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