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NitroPro Gas Suspension Seatpost

MSRP $ 179.00
# of Reviews 20
Average Rating 4.4/5
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Description:
  • Gas Spring has 100% Shock Absorption not partial absorption like elastomers, coil or air springs.
  • Travel: 2.3" (100% of travel is used for absorption)
  • Spring: Nitrogen Gas Spring & Coil Spring
  • Dampening: Oil dampening
  • Extremely Tunable & Never needs rebuilding
  • Length: 405mm, Sizes: 24 available



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    Submitted by John a Cross Country Rider from Fullerton ,California ,usa
    Date Reviewed: August 15, 2007
    Favorite Trail:The endless climb in Carbon Canyon
    Duration Product Used:More than 3 years
    Price Paid: $150.00
    Purchased At:Alumaline
    Strengths:It really works. I think that's enough.
    Weaknesses:Kinda touchy about seat placement but once dialed in it works great. It's kept me from being able to justify buying a full suspension bike.
    Similar Products Used:None
    Bike Setup:Jamis Dakota AL, Marzocchi Bomber with Avid BB7 disc in front, Xt V in rear, Sun Rihno Lites, everything else XT.
    Bottom Line:I bought this seat post to save my lower back, and it really works. Keep it lubed with what is recomended and it's smooth as butter but feels strong. I just bought a new gas spring for it ($35) but other than that it hasn't given me a lick of trouble. I would like to try a full suspension though. If you want to take impact of your lower back this is great. If you want to go flying off cliffs I don't think this will do anything for you, get a full suspension.
    Value Rating:5Overall Rating:5

    Submitted by Rain Man a Cross Country Rider from AU
    Date Reviewed: April 18, 2007
    Favorite Trail:Local
    Duration Product Used:Less than 1 month
    Price Paid: $170.00
    Purchased At:Alumaline
    Strengths:Nice looking post in black with a good finish to it. Easy to see clear height markings on the post. Good clamping mechanism, a little flimsy though. Great adjustability of the gas rebound system. Very smooth action over bumps, ripples rocks and roots.
    Weaknesses:The biggest weakness of this post is the available saddle positioning. More info below...
    Similar Products Used:Cane Creek Thudbuster. Various other suspension seatposts....
    Bike Setup:HT SIR 9 and One Niner rigid SS.
    Bottom Line:This is a very good suspension seatpost. The action is smooth and well damped in both directions with no "kickback" like you get with the Thudbuster.
    The only bad thing I could find in my testing of this post was the saddle positioning.
    If you position the saddle too far back on the rails in the clamp you tend to make the damper rod flex and it causes stiction with a resulting lack of movement...so you have to position the saddle at the mid-point or slightly further forward to let the damper rod slide smoothly in it's travel path.

    Now this is a non-event *if* you don't need a bit more cockpit room and your KOP is correct with a straight seatpost.. but if you find that you would like to get your saddle a little further towards the rear on the rails, then this seatpost is NOT for you.

    Apart from this rather major problem, the Nitro Pro is a very fine product.
    It out performs every other suspension post currently on the market simply because of the engineering and superb damping action that it employs. It is ultra smooth and really does a great job of soaking up small and medium ripples , roots and bumps on the trail.

    It's ONE failing is the saddle positioning you are forced to use with this post to make it function as designed.

    I give it a good score because of the design and excellent damping action of the mechanism, but the whole idea is rather let down due to it's limited saddle positioning.


    R.

    Value Rating:4Overall Rating:3

    Submitted by sig a Weekend Warrior from grovetown ga. usa
    Date Reviewed: August 28, 2006
    Favorite Trail:FATS
    Duration Product Used:1 Year
    Price Paid: $160.00
    Purchased At:nitropro
    Strengths:works good for a while,good idea,
    Weaknesses:only works good for a while,then it sticks unless you are centered perfectly over the post.good idea not very well executed.my first one bent on the first ride. they sent a new one that looked different than the first.it worked for about 5 rides.i threw it in a drawer and forgot about it.
    Similar Products Used:cheapo $25 that lasted longer but felt like crap
    Bike Setup:single speed
    Bottom Line:too much money for a recreational seat post. this thing cant take mountain biking.
    Value Rating:1Overall Rating:1

    Submitted by Dolan Halbrook a Cross Country Rider from San Francisco.com
    Date Reviewed: July 11, 2005
    Favorite Trail:Mailbox in Santa Cruz :)
    Duration Product Used:Less than 1 month
    Price Paid: $150.00
    Purchased At:nitropro.com
    Strengths:Hot damn, my Bontrager has been reborn! I'm no longer jealous of my wife's full suspension ride. I've just tried this on a local trail and it worked remarkably well. Made me realize how crappy my old Judys are up front by comparison. Hit roots with no problem at full speed sitting down...
    Weaknesses:A bit pricy, a bit heavy, and doesn't help my feet ;)
    Similar Products Used:Nashbar suspension seatpost on my touring bike. No contest -- this one buries it. Of course, it costs 10x as much.
    Bike Setup:Bontrager Race Lite w/ Rock Shox Judy forks
    Bottom Line:This one works as advertised, which is to say, very well. Haven't tried the competition, but most of the ones I wanted to try were bought out/crushed by Cane Creek. Oh well. I like the fact that I can still use a seat bag with it. The seat clamp is a little cheesy and cheap looking, but it works. The vendor was very easy to deal with and even made me one in black at no extra charge. The shaft is machined so it doesn't slip, which is important since this one uses shims to fit your bike's size. No slippage so far. As I said before, it takes the edge off the bumps really well. Rebound is well controlled. Thinking about getting the road version now for use on my road bike & touring bike :)
    Value Rating:4Overall Rating:5

    Submitted by Terence F. Treppa a Cross Country Rider from Westland, MI, USA
    Date Reviewed: December 28, 2004
    Favorite Trail:Hines Park
    Duration Product Used:1 Year
    Price Paid: $149.00
    Purchased At:Alumaline
    Strengths:Smooth ride over various roads encountered in the city and country. Alumaline personnel very cooperative and helpful.
    Weaknesses:Take some time to set up to my liking.
    Similar Products Used:Rock Shox
    Bike Setup:First on Novarra Rondone, now on Specialized Roubaix
    Bottom Line:Once the seatpost is set up it gives a very comfortable ride. Alumaline include detailed instructions that should be heeded. The key is to place the seat as far forward as possible so your weight will be over the seatpost. With your weight forward the dampening of the seatpost will engage very comfortably. I ride all year if it is dry and over 40 degrees and I appreciate the dampening that this seatpost provides especially since I weight near 200 pounds. Many seatposts are available for lighter riders, however, heavier riders have fewer choices. This is one excellent choice.
    Value Rating:5Overall Rating:5

    Submitted by Jeremiah a Cross Country Rider from West Richland, WA, USA
    Date Reviewed: October 25, 2004
    Duration Product Used:Tested or demo'ed only
    Strengths:Low maintaince, longer lasting, smooth operation.
    Weaknesses:Little heavy, but a sacrifice that I can easily take.
    Bottom Line:Granted I only rhode on it for a day, but that is all the convincing it took. Nice and plush, you can have all the benefits of a hardtail with the feel of a full suspension. I am an average sized rider, so the previous complaints really do not apply to me. This is definitely a new and different product compared to what else is on the market. When I build my dream bike in a few years this is going to be on it!
    Value Rating:5Overall Rating:5

    Submitted by Elliot a Weekend Warrior from Melborne, FL, USA
    Date Reviewed: July 26, 2004
    Duration Product Used:1 Year
    Price Paid: $179.00
    Purchased At:Alumaline
    Strengths:Very plush ride
    Weaknesses:Cost
    Similar Products Used:USE, Tamer
    Bike Setup:Specialized A1-comp Aluminum hardtail, Marzocchi Atom Race, Shimano XT and SRAM 9.0
    Bottom Line:Does what it is suppose to do absorbs shock and makes riding a hardtail a pleasure. First spring was a little stiff so I exchanged it for a softer one. Customer service was helpful and informative. I received the part in five days! Four flames for high price and five flames for performance of seatpost and good customer service. Recommend for any hardtail.
    Value Rating:4Overall Rating:5

    Submitted by Tom Cressman a Cross Country Rider from Rawlins, WY, USA
    Date Reviewed: July 13, 2004
    Duration Product Used:3 months
    Price Paid: $149.00
    Purchased At:online website, mfg
    Strengths:Reasonable weight, Pretty smooth
    Weaknesses:two bolt clamp would be nice
    Similar Products Used:Girvin
    Bike Setup:IBEX Trophy 880LX
    Bottom Line:This post does a good job keeping you in the seat. I am no longer on my legs but can sit down and relax most of the ride. Action is smooth at all times but must add pre-load especially when off roads or it bottoms out. Once pre-load is set you can forget about it. One improvement to design could be a two bolt seat clamp but no big deal. Overall very pleased with performance.
    Value Rating:5Overall Rating:5

    Submitted by Allen Rivas a Weekend Warrior from Clarkdale, AZ, USA
    Date Reviewed: July 8, 2004
    Duration Product Used:6 months
    Price Paid: $179.00
    Purchased At:mfg website
    Strengths:very responsive design
    effective dampening
    low maintenance
    Weaknesses:adds some weight
    Similar Products Used:RockShox
    Bike Setup:Bianchi Milano (road bike)
    Bottom Line:I bought the short version for my road bike. It continues to
    provide a plush ride after hundreds of miles of use. I weigh
    245 lbs and have not had trouble with it bending as some seat
    posts do. The post does not extend that much from the bike frame. Dampening works so well there is no bounce at all and
    I have done no maintenance except for lube on the stanchion one time. Anyone who wants more comfort than mcu seat posts should get one.
    Value Rating:5Overall Rating:5

    Submitted by edouble a Cross Country Rider from L.I.,ny
    Date Reviewed: June 26, 2004
    Favorite Trail:dupont nat. forest
    Duration Product Used:6 months
    Price Paid: $179.00
    Purchased At:manuf.
    Strengths:smooth action
    Weaknesses:bent post during my first ever race!.
    Bike Setup:jamis dragon,xt,z2bam,mavic 225's,salsa,gripshift,vertical pro's
    Bottom Line:granted im 250lds (6ft 2in)but i didnt think the post would break. great for the medium to small guy, like most mountain biking equipment. no good for the big dog's.
    Value Rating:3Overall Rating:2

    Submitted by James Kennedy a Cross Country Rider from Seattle, WA, USA
    Date Reviewed: November 28, 2003
    Duration Product Used:6 months
    Price Paid: $179.00
    Purchased At:online website, Alumaline
    Strengths:Works as advertised!
    Weaknesses:none, a good product.
    Similar Products Used:none.
    Bike Setup:Santa Cruz Chameleon
    Bottom Line:The Greatest! I spent three months asking around and researching before buying the NitroPro. I chose this seatpost because it advertised more shock absorption
    than others. Well I ‘ve had it long enough to give it
    a review and I am very pleased with its performance.
    Almost all off-road conditions whether large rocks,
    pot holes, tree branches or small rocks are completely absorbed and without any sudden rebounding. Movement
    is silk smooth all the time.
    I tried a friends stock factory sus.seatpost for comparison - not even close the shock absorption of
    the NitroPro. Definitely top five material.
    Value Rating:5Overall Rating:5

    Submitted by Patrick Henry a Weekend Warrior from Northridge, CA, USA
    Date Reviewed: October 21, 2003
    Favorite Trail:Santa Monica Mnts.
    Duration Product Used:6 months
    Price Paid: $179.00
    Purchased At:mfg. online website
    Strengths:Total shock absorption! Most bumps are completely absorbed.
    Weaknesses:None
    Similar Products Used:USE, Rock Shox
    Bike Setup:C'dale F4000 CAD 4
    Bottom Line:I have ridden with USE and RockShox seatposts and
    now I have a NitroPro. This seatpost is much more responsive in comparison and stiction is hard to
    detect. The NitroPro just moves much more freely
    over all terrain - a result of a lower spring rate.
    Oil dampening is a real treat I stay seated no matter
    what I ride over and the no wear design does work as claimed. I have not had to buy any parts to rebuild
    it as with other seatposts. Gas suspension is the
    way to go I will not go back to elastomers. Anyone
    who wants an upgrade in comfort, off road or street,
    should buy this product.
    Value Rating:5Overall Rating:5

    Submitted by Mark a Cross Country Rider from Traverse City, Michigan, USofA
    Date Reviewed: September 27, 2003
    Favorite Trail:Kipp Rd
    Duration Product Used:Tested or demo'ed only
    Price Paid: $179.00
    Purchased At:Alumaline OEM
    Strengths:Does pretty much what it claims. A little slow on the rebound for my taste.
    Weaknesses:Doesn't allow you to position your seat back far enough. Adds quite a bit of weight to your bike. Expensive.
    Similar Products Used:Thudbuster
    Bike Setup:Trek 8500, good components
    Bottom Line:This thing requires regrettably forces you to position your seat in a VERY forward position. I tried moving my seat as far back as I could but it still left me feeling as though I could go forward over the handle bars at the slightest obstacle. I felt very cramped in the cockpit. (I'm 6'3 1/2").
    The product has potential. Worth a try if you're a smaller rider I suppose. Mfgr has good return policy.
    Value Rating:3Overall Rating:2

    Submitted by Bruce Nakamura a Cross Country Rider from Escondido, CA
    Date Reviewed: March 14, 2003
    Favorite Trail:Daly Ranch in Escondido
    Duration Product Used:6 months
    Price Paid: $179.00
    Purchased At:Alumaline
    Strengths:Does a good job of absorbing moderate bumps and is a reasonable weight. Easy to set up saddle. Superior factory support. Asked factory to shorten the length of the post above the shock because my inseam is 27.5 inches, and with the bottom of the shock already flush with the top of the seat tube, my saddle was a little too high for me. The factory did the machining for a reasonable price.
    Weaknesses:None
    Similar Products Used:USE XCR and Hydrapost
    Bike Setup:Mongoose IBOC and Kona Explosif, have seatpost shims for both bikes.
    Bottom Line:An excellent suspension seatpost for hard tail riders.
    Value Rating:5Overall Rating:5

    Submitted by BRIAN MEYERHOFF a Weekend Warrior from POWAY, CA 92064
    Date Reviewed: December 9, 2002
    Favorite Trail:daley ranch
    Duration Product Used:Less than 1 month
    Price Paid: $179.00
    Purchased At:from nitropro
    Strengths:takes the bumps out beautifully. i did not notice the brief change of seat position as being a significant factor. i ordered directly from the company and they were extremely helpful.
    Weaknesses:price
    Similar Products Used:none
    Bike Setup:rocky mountain fusion hardtail.
    Bottom Line:clearly improves the comfort and the stability of the ride. you still need to come out of your seat on the bumpy downhills but this product makes accelerating over rough terrain a lot easier
    Value Rating:5Overall Rating:5

    Submitted by Dan a Weekend Warrior from Lancaster, CA
    Date Reviewed: September 20, 2002
    Favorite Trail:anything dirt
    Duration Product Used:3 months
    Price Paid: $175.00
    Strengths:smooooooth so very smoooooth, looks sweet and feels so good!
    Weaknesses:heavy
    Bike Setup:pretty much stock Gary fisher Hoo Koo E Koo
    Bottom Line:the stock seat post that came with my bike while good was killing my back and other areas on my body after about 4 or 5 miles.
    i looked at all the suspension seat posts on this web page.
    the nitrpro was just the best choice for me, the customer support was great, i was able to talk to one of the guys that designed the seat post, they gave me instant answers to any of the questions i had.
    they helped me with all facets of the ordering and even double checked my stock seat post size to make sure the shim would fit (i was on travel and didnt know my seat post size)

    when i rode the nitro pro for the first time it was like heaven the seat post absorbed little and big bumps like a champ.

    the cool whooshing noise when the seat post slowly extends to its full hight is nice and no rebound... 0... none... no feeling like you are going over the bars after that big bump.
    it smooths out almost any bump, the tension adjustment is great and easy to use, have yet to feel any sticktion.

    the seat post does have a 1 to 2 degree lateral movement while pedaling, it really doesnt bother me it sorta of flows with my natural rythem while pedaling.

    over all the seat post looks and rides great.
    one of the best purchases i have made since i got the bike.

    Value Rating:4Overall Rating:5

    Submitted by Greg Esler a Weekend Warrior from Benson, AZ, USA
    Date Reviewed: July 24, 2002
    Favorite Trail:FS427
    Duration Product Used:6 months
    Price Paid: $179.00
    Purchased At:Alumaline
    Strengths:Moves like butter, full travel
    Weaknesses:None
    Similar Products Used:Bracer, PostModern, Body Shock
    Bike Setup:Gary Fisher Big Sur
    Bottom Line:I really love using this seatpost. Some good things
    include butter like smoothness, highly tunable pre-load
    lets me choose the ride I need for single track or for street riding. Play adjustment works quiet well. Used adjustment only once in 6 months. Not at all bouncy
    like other s.seatposts. If you want complete shock absorption without any bounce then NitroPro will give
    you that. Plan on buying a second one for my wife.
    Value Rating:5Overall Rating:5

    Submitted by Todd Warner a Cross Country Rider from Austin
    Date Reviewed: April 23, 2002
    Favorite Trail:Forest Ridge
    Duration Product Used:1 Year
    Price Paid: $185.00
    Purchased At:Alumaline
    Strengths:No stiction, Very adjustable, Ultra smooth motion
    Weaknesses:so far so good
    Similar Products Used:Girvin, Coda
    Bike Setup:Raleigh M800 with z2 atom bomb, Synchros SC tires
    Bottom Line:This one is stands out from the rest. Overcomes problems
    of past designs. Gas suspension really is much more shock absorbing than elastomers. Does not seem to have any stiction even after a year of use. Customer service is
    top notch, friendly and helpful. I tore the boot in
    a crash and received a new one the next day. Initial cost
    is high but there is nothing to rebuild which I like a lot. Should last a long time. Five flaming chillis!
    Value Rating:5Overall Rating:5

    Submitted by Andrew Lewis a Downhiller from San Rafael, CA, USA
    Date Reviewed: April 18, 2002
    Duration Product Used:3 months
    Price Paid: $179.00
    Purchased At:nitropro mfg.
    Strengths:Absorption and smooth action!
    Weaknesses:a little heavy compared to rigid post.
    Similar Products Used:RockShox, Thudbuster
    Bike Setup:2000 Diamondback Topanga
    Bottom Line:Nice, the absorption is the best I have experienced.
    Far more absorption than other posts I have tried.
    There is no movement away from handle bars and no
    pogo effect. Not the lightest post but I will accept
    a few ounces more in exchange for feeling very little
    in the seat. No problems with design a well thought
    out product.
    Value Rating:5Overall Rating:5

    Submitted by Don Meridian a Weekend Warrior from Seattle, WA, USA
    Date Reviewed: October 9, 2001
    Favorite Trail:too many
    Duration Product Used:6 months
    Price Paid: $180.00
    Purchased At:manufacturer
    Strengths:Absorbtion, Travel, High quality, No maintenance, Looks good
    Weaknesses:nothing so far
    Similar Products Used:USE XCR
    Bike Setup:Y2K Treck 7000
    Bottom Line:I did not know a pogo stick design could be this comfortable. I ride to work each day and hit the
    trails on the weekends.
    This post tames the most ferocious trails. I can ride just about any trail in comfort even the tough ones. Easy to preload with flat blade screw driver - no more searching for special hex wrench. Pretty much service free so far I have not had to lube it or anything. Have not felt any sticktion yet, a big bonus!
    Shotpeen finish looks great and positively does not slip in frame. Quality is very high you can hear the gas spring quietly working inside as you push down on the seat and it rebounds a soft woosh is heard - Neeto! No creaks or rubbing noises just smooth as silk movement. Excellent!
    Value Rating:5Overall Rating:5






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