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Average Rating
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4.9/5
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# of Reviews
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10
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MSRP
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$ 39.99
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Weight
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More Products from AJs Bikeparts
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Description:Specifications:
Prevents the chain from dropping off the inside of the chain rings
Protects the bottom bracket area from chain damage
Designed for use with 2 or 3 chain rings
Bottom bracket mounting fit most frame designs from hardtails to long travel suspension bikes
2 models available to fit most BB shell width-BB spindle length combinations
fits new style integrated BB cranksets
CNC machined 6061 T6 and black anodized
weight-52 grams
XC and freeride tested
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Submitted by
Stephen
a Cross Country Rider
from Laguna Niguel, CA
Date Reviewed: February 7, 2007 | | Duration Product Used: | Less than 1 month | | Price Paid: |
$35.00 | | Purchased At: | ThePath | | Bike Setup: | 2001 Bullit XL, Mavic rims, R2 forks, Thompson post, Chris King hubs.... | | Bottom Line: | No matter if I started a downhill run in the middle ring or not, seems by the end, or at least when I needed to peddle again my chain was sitting there on the frame.. Let me tell you the frame got trashed over time. Wish I had known about this product before.
I've been on a couple of pretty good rides since installing it, Chiquito was the last one and I had NO problems what so ever, I can even ride in the granny gear knowing that the chain will be there when I need it.
The best features are that I can keep all 3 rings up front and don't have to go for a chain tensioner and rock solid manufacturing.
Go AJ!
| Value Rating: Overall Rating: |
Submitted by
Simon Lorry
a Weekend Warrior
from Sydney,AUS
Date Reviewed: October 6, 2006 | | Duration Product Used: | Tested or demo'ed only | | Price Paid: |
$45.00 | | Strengths: | Awsome quality. Does exactly as advertised. | | Weaknesses: | Unfortunately it just wont fit on my Reign1. I tried the FG-2 model and it wont clear the tricky lower swingarm links. If anyone has fitted to a Reign pls let me know how and which Frame guard model they used!
| | Similar Products Used: | None | | Bike Setup: | Giant Reign1. Santa CRuz Blur. | | Bottom Line: | Brilliant piece of equipment fits the Blur ok and perfectly if your prepared to file a little piece out of the outer diameter to clear the swingarm main pivot.(FG-2)
After several days of riding familiar territory, which normally has me cursing the dreaded chain off the granny, absolutely no problems. Works perfectly.
Happy enough to pay the price for that level of quality.
Would be great if there was a bike suitability list, even if just for the more common/popular brands.
| Value Rating: Overall Rating: |
Submitted by
Jeremiah
a Cross Country Rider
from West Richland, WA
Date Reviewed: May 16, 2006 | | Duration Product Used: | 1 Year | | Price Paid: |
$40.00 | | Purchased At: | Cambria Bicycle Outfitter | | Strengths: | It works! | | Weaknesses: | None. | | Bike Setup: | 17" Litech Magnesium, RockShox Duke SL, SRAM X.0 | | Bottom Line: | I built a new bike and with previous bikes I have always had an occasional problem with the chain falling off from mid to granny. Now that I have installed this I have never had a problem with the chain falling off. Great product and not too expensive or bulky. | | Value Rating:Overall Rating: |
Submitted by
Larry
a
from Los Angeles, CA, USA
Date Reviewed: February 17, 2006 | | Duration Product Used: | 3 months | | Strengths: | It simply WORKS. | | Weaknesses: | None. | | Bike Setup: | Giant VT3 | | Bottom Line: | This is an easy review to write since the product flat out works as it's supposed to. I couldn't not use the typical "fang" type chain guards due to my frame design, so I searched another solution and found the AJ's Frameguard. Before using this product, my chain would fall off every couple rides at least once. Since installing the Frameguard on my Giant VT3, my chain has not dropped off once.
I am getting one of these for my girlfriend's bike, and I plan to use one of these on any future bike I get right off the bat (before I even ride it the first time.) It's a bit more expensive than other similar products, but it REALLY WORKS.
Note that my bike needed the "new" version with the extra machining (less metal on the inner ring area.) If you have a suspension pivot that is close to the BB shell, make sure you get this new version.
One last note -- I called AJ at the company and he was quite nice, taking the time to answer my questions before I ordered it. This is a quality product from a good company.
Larry | | Value Rating:Overall Rating: |
Submitted by
Kracker
a
from Texas
Date Reviewed: January 30, 2006 | | Duration Product Used: | Tested or demo'ed only | | Strengths: | IT WORKS!!! no more chains eating the bottom bracket!
| | Weaknesses: | hard to get a hold of one... not many retailers out there; avg price $40 - a bit high for a machined aluminum ring, but hey it works | | Similar Products Used: | MRP LRP , E-13 DRS | | Bike Setup: | free-ride dual suspension w/dual chinrings and 9 speed cassette | | Bottom Line: | GET ONE! I’ve tried two different dual ring tension guides to keep the chain from dropping. They worked (sometimes) but cause the chain to drop when you backpedal. The AJ's Frame Guard works with 1, 2 or 3 rings. It adds no tension to the drive train and doesn’t affect the chain line so pedaling is unaffected. There is no way the chain can drop... it's as big as the mid chainring.
More retailers should carry the frame guard IN-STOCK, been waiting over a week for mine. And what's with the $40 price tag, I know it's not much but it has to cost less than a forth of that to make. For that I give it a 3 on value.
| Value Rating: Overall Rating: |
Submitted by
Pawel
a Cross Country Rider
from Okemos, Michigan, USA
Date Reviewed: August 11, 2005 | | Duration Product Used: | 3 months | | Price Paid: |
$40.00 | | Purchased At: | cambria | | Strengths: | Stops chain jumps for good. Allows to ride with a completely slack chain. Sturdy. | | Weaknesses: | Expensive. Requires a bottom-bracket cup with a lip. Another FrameGuard's version may be required after a drivetrain rearrangement. | | Similar Products Used: | N-Gear Jump Stop | | Bike Setup: | Trek 730 with 11-34 rear cassette and 20-46 front chainring range. | | Bottom Line: | The FrameGuard is outstanding. I first used it when riding with a 4t of chain slack beyond what the rear derailleur tensioner could absorb. I could regularly shift when standing without any chain jumps. Spare your chain, frame and the small ring, and $10-15, when buying a cheaper chain-jump protection, and go immediately for the FrameGuard. | | Value Rating:Overall Rating: |
Submitted by
Todd Stephenson
a Cross Country Rider
from Aliso Viejo,CA. USA
Date Reviewed: October 9, 2004 | | Favorite Trail: | Tahoe rim trail | | Duration Product Used: | 1 Year | | Price Paid: |
$39.00 | | Purchased At: | aj'sbikeparts.com | | Strengths: | First,it is obvious from one look that AJ's frameguard is solid and well built. It's simple, easy to install,and also looks really cool. | | Weaknesses: | None | | Bike Setup: | Trek STP 400 soft-tail. Carbon Rock Shox forks,full XTR,Bontrager race lite wheels,Crank Bros eggbeaters. | | Bottom Line: | This thing really works. No more scrapes around my bottom bracket or dropped chains. I've stopped twisting chains and even had a lot less chain suck! If you are a cross country racer,this is a must;especially when it gets muddy. AJ's frameguard gives me confidence when I shift down or go through rough sections. Also,it was super easy to install. When I got my new XTR crankset - it simply replaced the driveside spacer that Shimano gave me. | | Value Rating:Overall Rating: |
Submitted by
thephat
a
from Tustin, CA USA
Date Reviewed: September 20, 2004 | | Duration Product Used: | 6 months | | Purchased At: | The Path Bike Shop | | Strengths: | It is simple, no moving parts, and not too heavy. | | Weaknesses: | Not as secure as a chainguid, but less heafty, simpler, cheaper, and no drag. | | Similar Products Used: | MRP WC 2 on another bike, not that similar | | Bike Setup: | Kona Bear (02 version of Dawg)XT M760 cranks set up double with a bash. | | Bottom Line: | I used to drop the chain on this bike, and it would get stuck between the small ring and the main pivot. This is not possible any longer. If the chain is going to come off,it is going to come off over the top of the frame gaurd, or out past the big ring. I'm not sure, but I think this thing would help deal w/ chainsuck too. | | Value Rating:Overall Rating: |
Submitted by
sokratis
a Cross Country Rider
from tahoe city ca.
Date Reviewed: August 28, 2004 | | Favorite Trail: | so many | | Duration Product Used: | 3 months | | Price Paid: |
$39.00 | | Purchased At: | on the web | | Strengths: | yet to lose a chain | | Weaknesses: | none yet | | Similar Products Used: | none | | Bike Setup: | I had an xlt 2.0 last years and this years version broke frame three times. Great ride but could not handle the abuse so now I ride the kona coiler. So far so good.. | | Bottom Line: | I kept loosing my chain on the xlt on really rough section mixed with dropping down two my small ring right before a small climb(It all happens so fast). Loosing your chain right before your climb is the worst. Your rhythm and flow are gone then your sitting there trying to pull the F^%#$n chain out and back on the your ring as your buddy blows right past you. I've yet to lose a chain since I started using this product. It's hands down the best purchase I ever made for my ride. I've had a few people tell me that if your front derailleur is set right you should never lose your chain. Maybe so, then my response is let me see how scratched up your bottom bracket is. End of story..
If you have any questions about this product feel free to call AJ himself.(check out his web sight) Way cool guy and he will gladly answer any questions you might have.. | | Value Rating:Overall Rating: |
Submitted by
Tony
a Cross Country Rider
from Los Angles, Ca.
Date Reviewed: August 24, 2004 | | Duration Product Used: | 1 Year | | Price Paid: |
$39.00 | | Purchased At: | cambria bike | | Strengths: | haven't lost the chain yet! (it works)
nice machining
easy to install | | Weaknesses: | none yet | | Similar Products Used: | none | | Bike Setup: | Turner XCE, Romic, Marzocchi marathon, full XT, Thomson | | Bottom Line: | this thing really works! I used to lose my chain about once a ride while decending in the rough stuff. I haven't lost it once since I put this on. I love my 4 bar horst link suspension. I don't think there's a design out there that tracks the ground better. But they do tend to let the chain flop off. If your chain ever jumps off the front chainrings, put this sucker on and forget about it! | | Value Rating:Overall Rating: |
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