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Submitted by
joejoewoodhouse
a Downhiller
from england
Date Reviewed: June 26, 2009 | | Favorite Trail: | delamere forest | | Duration Product Used: | Less than 1 month | | Price Paid: |
$90.00 | | Strengths: | looks good | | Weaknesses: | does not work, the seat keeps tilting back, even after tightening the bolt as hard as possible. after 5 times on re- tightening the bolt has now worn out and cant be tightened fully. hence the issue is now much worse | | Bike Setup: | cove stiffie, pike forks | | Bottom Line: | if you like looking at your bike but dont ride it then buy the Ibean. | Value Rating: Overall Rating: |
Submitted by
Glynn Preston
a Cross Country Rider
from Kettering
Date Reviewed: June 4, 2009 | | Duration Product Used: | 1 Year | | Price Paid: |
$120.00 | | Purchased At: | Chain reaction / wig | | Strengths: | Light, easy to adjust
Better than kore I have broke 2 of their posts to date! | | Weaknesses: | Limited choice, harsh ride. | | Similar Products Used: | Various carbon & top end standard systems | | Bike Setup: | Hummer xc, Nixon platinum, full xo | | Bottom Line: | This is definiatly a love it or hate it product, it is light & cheap, & with loads of adjustment (dont understand these people saying it has limited adjustment)
Also I cant see how people are having slipping trouble as a medium torque leaves this super sturdy!
I have an sdg saddle, but started off using kore posts, my carbon one snapped within 6months & an ally one followed shortly after! The sdg post seems much more rigid.
No-one seems to have mentioned the harshness of the ride with these set ups, on my hard tail I really start to suffer on long day rides as there are no rails to add a bit of give.
I would suggest that on a full suss this product would b near to perfect! | Value Rating: Overall Rating: |
Submitted by
Bribaba
a Cross Country Rider
from London, UK
Date Reviewed: April 23, 2009 | | Favorite Trail: | Epping Forest | | Duration Product Used: | More than 3 years | | Price Paid: |
$60.00 | | Purchased At: | Merlin | | Strengths: | Immoveable, single bolt design. Study and light. | | Weaknesses: | No layback available as yet. | | Similar Products Used: | Lots of different 'rails' saddles. | | Bike Setup: | Boardman Team hardtail | | Bottom Line: | I've used this almost since it came out and never had a problem with it. It sits there, doesn't move and feels good with like minded saddles. Having got a new bike which requires a degree of layback, I may have to switch unless SDG come up with something. | | Value Rating:Overall Rating: |
Submitted by
Bobmajob
a Cross Country Rider
from Norwich, Norfolk, UK
Date Reviewed: January 3, 2009 | | Duration Product Used: | 3 months | | Purchased At: | Part of a Dahon Flo | | Strengths: | Light? | | Weaknesses: | Weak bolt. Proprietary rail system. | | Similar Products Used: | Thomson Elite, Ritchey something, various unbranded | | Bike Setup: | Wheels, handlebars, the usual. | | Bottom Line: | The I-Beam seatpost was part of a a complete Dahon Flo that I purchased. While setting up the bike I wanted to shift the saddle forward. The seatbolt was a loose fitting 5mm (I tried 5.5mm but that was too big) and the bolt burred and became useless in the process of trying to loosen it. So I stuck with the seat in its original position - thinking that the bolt must be tight. But I was wrong, the saddle slipped further back wrecking the little grooves on the rails. So both saddles and seatpost wrecked. I'm not a heavy rider so I wouldn't recommend this product to anyone. | Value Rating: Overall Rating: |
Submitted by
Sandlover
a Cross Country Rider
from Namibia
Date Reviewed: November 19, 2008 | | Favorite Trail: | Anything singletrack | | Duration Product Used: | 3 months | | Price Paid: |
$116.00 | | Purchased At: | Custom Build | | Strengths: | Light would be the only thing that springs to mind. | | Weaknesses: | Limited Saddle selection. Because of the I-beam. No place on the saddle to put a saddlebag. This is a personal thing as I do a lot of weekday rides of around 60 minutes and don't always want to carry a backpack with me.
I find it easier to "fine tune" saddle levels with two bolts as opposed to one on the side. | | Similar Products Used: | Single release specialized seat post on Stumpy and Enduro that I demoed would be the closest. | | Bike Setup: | Morewood Shova St;DT 150 Fork ; I-9 Enduro wheels ; Forumula "The One" Brakes; All the rest Controltech and Sram. | | Bottom Line: |
When I first saw the i-beam couldn't work out what the fuss was about. It does work, just limits your choice of perch.
I was convinced to give it a try when I bought my new bike mainly because of the weight advantage. Setup was nothing spectacular no quicker than the specialized with a conventional saddle.
Because you don't have much saddle choice the system limits you. It was also supplied with a shim as the post is too small for my seat tube. Net result, it constantly slides down. Fault of the LBS I know, but just adds to the irritation.
And that coupled with the saddle rubbing me raw leaves me massively irritated !! Something that has never happened to me before on any other saddle that I have used.
Because it is all proprietary components I will now have to replace everything. You either like that or don't; I don't.
Back to Thomson and WTB for me.
| Value Rating: Overall Rating: |
Submitted by
Adam Hunter
a Weekend Warrior
from UK
Date Reviewed: October 19, 2008 | | Favorite Trail: | CYB | | Duration Product Used: | 1 Year | | Price Paid: |
$80.00 | | Purchased At: | Wiggle.co.uk | | Strengths: | Easy to adjust, saddle and post setup alot lighter than standard post and saddle with rails, cheap | | Weaknesses: | None | | Similar Products Used: | Standard post | | Bike Setup: | Upgraded stumpy | | Bottom Line: | Excellent post, paid £40 from wiggle for the post and saddle. I shaved a couple hundred grams off my old setup. Adjust it once and it doesn't move or need touching again. Perfect. | | Value Rating:Overall Rating: |
Submitted by
Joel
a Weekend Warrior
from Silver Spring, MD
Date Reviewed: March 4, 2008 | | Favorite Trail: | Patapsco State Park | | Duration Product Used: | 3 months | | Price Paid: |
$40.00 | | Purchased At: | REI (Came on bike) | | Strengths: | Solid and easy to adjust. Doesn't move and the SDG seat it's a comfortable ride. No more seat rails to bend | | Weaknesses: | Post started to bend after 3 months (27.2) but then again I am a 270lb fat dude. I have yet to find one that can hold my weight. I am sure if my frame could take a 30 mm or higher I would be fine. | | Bike Setup: | Frame T6061 aluminum
Fork FOX 32 TALAS RLC, 140+120+100mm
Rear shock Manitou Swinger 3-Swinger Air
Crankset FSA Afterburner MegaExo 44/32/22
Shifters SRAM X-7 Trigger
Brakes Avid Juicy 7
Brake levers Avid Juicy 7
Front derailleur Shimano LX E-type
Rear derailleur SRAM X-9
Head set FSA Orbit Z
Bottom bracket FSA Afterburner MegaExo
Rear cog SRAM PG991 11-34
Front hub Chris King ISO
Rear hub Chris King ISO
Rims Mavic 823 Disc UST
Tires Maxxis Ignitor UST, 26x2.35
Stem Cannondale XC3
Handlebar FSA XC281A OS
Seat post SDG I-Beam
Saddle SDG BelAir SL
Pedals Shimano PD-M520
Chain SRAM PG991
| | Bottom Line: | After reading a few reviews of other people having problems with the seat sliding off, I would defiantly have to disagree. I am 270lbs and I have been way back on the seat and it has budges. I can honestly say I thought I would have broken this post by now but after 3 months of use I am just starting to see a little bit of bend where it goes into the frame (I would have this on any other post due to my size). I have not had to re-tighten or adjust the seat at all since I started using it over 3 months ago. Since there are no seat rails to bend, I can reuse the seat and replace just the post if I bend it. I have bent many seat rails and past as you can imagine with someone my size. So far this is the strongest I have used and I will keep on using! | | Value Rating:Overall Rating: |
Submitted by
dez
a Downhiller
from sydney nth beaches n.s.w. australia
Date Reviewed: December 10, 2007 | | Duration Product Used: | 3 months | | Price Paid: |
$80.00 | | Purchased At: | mate | | Strengths: | simple strong good design | | Weaknesses: | I had the carbon post and have switched back to the alloy due to the amount of movement in the seat tube. No matter how much I cleaned or tightened it the post would wiggle from side to side and end up dropping. Every time i landed on the seat it would slip down really frustrating | | Similar Products Used: | titec ritchey | | Bike Setup: | Cannondale judge dh code's boxxer | | Bottom Line: | stick with the alloy post carbon is a waste of money | | Value Rating:Overall Rating: |
Submitted by
kevin
a Downhiller
from portland, oregon USA
Date Reviewed: December 2, 2007 | | Favorite Trail: | Syncline | | Duration Product Used: | Less than 1 month | | Price Paid: |
$40.00 | | Purchased At: | ebay | | Strengths: | Cool looking, great theory. | | Weaknesses: | Everything. I built up this bike and was extremely excited about getting it out for the first time yesterday. I mean I poured my heart into this bike. Within the first 10 minutes I made one slight bounce on it and the whole top cantered back and the seat slid out and shot off the rear wheel. That being a milisecond before my manhood was shot off the rear wheel after a nice scraping by the post itself.
THAT HAPPENED THREE MORE TIMES IN TWO HOURS! And yes, after the first time I really inspected to make sure every tooth was set and tightened the FU*K out of it.
Like I said, this is a great looking, clean set up. IT JUST DOES NOT WORK AT ALL. | | Similar Products Used: | Thomson elite (switching back to, along with another seat now) | | Bike Setup: | Mongoose EC-X 4x, Pike 454 Dual Air,Transition Revolution wheels,Azonic Nitro Cranks/Bash, Juicy 7's,Nevegal 2.35's,Funn 10 year orange bars, SIC LLc stem etc.... | | Bottom Line: | Bottom line. Junk. Pretty to look at, worthless in reality. | | Value Rating:Overall Rating: |
Submitted by
Clifford Josey
a Weekend Warrior
from Medford Oregon
Date Reviewed: October 14, 2007 | | Favorite Trail: | Any Whistler black diamond... | | Duration Product Used: | 2 Years | | Price Paid: |
$75.00 | | Purchased At: | Bear Creek Bicycle | | Strengths: | Simple design, super light. | | Weaknesses: | Can't slam seatpost as low as other designs on longer seat tube frames. | | Similar Products Used: | Race Face, Salsa. | | Bike Setup: | Bottlerocket, Switch, El Cuervo | | Bottom Line: | Previous 2 reviews should be erased. This is the most adjustable, trouble free, lightweight seat/post design out there. Almost indestructable. Those guys didn't read the instructions or something. If you want to save weight on your big bike, this is the way. The I-fly, FRD, and I-sky seats are all great. I have used them all. Get It. | | Value Rating:Overall Rating: |
Submitted by
John Runner
a Downhiller
from Connecticut
Date Reviewed: October 7, 2007 | | Duration Product Used: | 3 months | | Price Paid: |
$41.00 | | Strengths: | Light, Adjustable | | Weaknesses: | If you sit on the seat then it will roll backwards around the pivot and drop you onto the rear wheel. I must tighten it several times per ride, and the next time I sit on it, it collapses again. It is really, really annoying. Stick with rails. | | Similar Products Used: | Normal seats and seatposts which my butt misses dearly. | | Bike Setup: | 05 Stinky, few upgrades here and there | | Bottom Line: | The post and the SDG seat are very light, but you cannot sit on them because the seat will rotate back on the post because of the stupid Ibeam interface. It is a flawed design. I want my rails back. Its cheap and light though, so If youre a freerider who never sits on his seat, go for it! However, if you sit on your seat, look at a non-Ibeam seat. (however this is all based upon the assumption that I didn't get a dud, maybe others are better. However, I'm not going to risk it to find out. Thompson, here I come.) | | Value Rating:Overall Rating: |
Submitted by
Doug Gage
a Weekend Warrior
from Ontario, Canada
Date Reviewed: July 26, 2007 | | Duration Product Used: | 1 Year | | Strengths: | holds seat nice and tight | | Weaknesses: | impossible to adjust, grips the seat too tight. only takes sdg seats | | Bottom Line: | Hard to adjust seat, also hard to keep post from sliding | | Value Rating:Overall Rating: |
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