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Submitted by
old school mike
a Cross Country Rider
from van bc canada
Date Reviewed: May 28, 2003 | | Duration Product Used: | Tested or demo'ed only | | Bike Setup: | dirt trails off road backcountry trials riding 20" hot rodded oldschool bmx frame setup | | Bottom Line: | get 2 stainless washers for eg 3/8' axle
2 stainless machine screws 2" with washers and lock nuts cut off heads of screws flush and smooth
2 1/2" of U shaped stainless track cut to 1 1/4" lengths to fit end of drop-out
center punch and drill small hole in center of U shaped track (thru bottom of U)
file and smooth all sharp ends polish U's
lay out parts clean for tig welding
weld washers to cut off ends of machine screws @ 45 deg. angle to center holes
cool and buff put together and set up on axle tension chain with lock nut on machine screw before bolting axle snug
congrats you just saved some coin and now have a wicked home brewwed kickass chain tensioner
oldschool mike jessica bc
| Value Rating: Overall Rating: |
Submitted by
Tony j
a Downhiller
from nv
Date Reviewed: May 17, 2001 | | Favorite Trail: | bmxtrails | | Duration Product Used: | Less than 1 month | | Purchased At: | never purchased | | Similar Products Used: | Primo lolipops | | Bike Setup: | slalom- Kona, rockshox sylo, hayes disc front,race face crank, and a REAL chain tensioner, or chain guide if you will...
bmx- s&m dirtbike,primo hulahoops w/demolition hubs,pitchfork, povert crank | | Bottom Line: | Basically, if you dont want your chain to flop around, get rid of your derailer, or get a chain guide and dont worry about it. But I do admit this is a good product for bmx | | Value Rating:Overall Rating: |
Submitted by
Chirs
a Racer
from Hughesville, pa
Date Reviewed: March 17, 2001 | | Favorite Trail: | loyalsock trail | | Duration Product Used: | Tested or demo'ed only | | Price Paid: |
$40.00 | | Purchased At: | country ski and sports | | Strengths: | it real look like it would work, i need something like this, becouse chain slaps around alot in my kinda ridin conditions | | Weaknesses: | didn;t fit my bike, Way too expencive | | Similar Products Used: | tooth fairy | | Bike Setup: | 00'Trek 8000 SLR manitou vert/mtr front and rear/ hayes disc brakes front and rear | | Bottom Line: | the bike guy at the store told me that it would fit, so i took his word for it | Value Rating:Overall Rating: |
Submitted by
Andrew D
a Downhiller
from Vancouver canada
Date Reviewed: February 1, 2001 | | Favorite Trail: | cherry bomb, north shore | | Duration Product Used: | 6 months | | Price Paid: |
$15.00 | | Purchased At: | a bike shop | | Strengths: | great product? durable great price aswell, hasent broken, and chain never derails | | Weaknesses: | nothing | | Bike Setup: | trek vrx 400 hayes hydro disks, super t's, fox vanilla r, sun double wide rims front and back | | Bottom Line: | great on the hard core canadian trails | | Value Rating:Overall Rating: |
Submitted by
chris
a Weekend Warrior
from los angeles ca.
Date Reviewed: June 13, 1999 | | Duration Product Used: |
more than 3 years | | Bottom Line: | I bought this chain tensioner about three years ago. about a year ago I finally replaced my rubber wheel. I didn't think it would ever wear out! I probably could have gotten another year out of it. Once you have it adjusted, it can't be beat. Its worked flawlessly for three years. LOCKTITE all bolts when installing. another fine product by Kore!! | | Overall Rating: |
Submitted by
BJ
a downhiller
from LA
Date Reviewed: March 1, 1999 | | Bottom Line: |
I gave 5 chiles for the kore elite post and five for the chain tensioner as well. when you have it installed correctly, no other tensioner comes close. Its silent and helps on the shifting. Be sure you have someone that knows what there doing (Travis) and not some salesperson. I locktite every bolt in place. Also kore should be a little more explanatory in their directions. | | Overall Rating: |
Submitted by
Travis
a downhiller
from Waterford, CT
Date Reviewed: December 28, 1998 | | Bottom Line: |
Last year at the New England Mountain Bike festival, I bought a Kore Chain Reactor cause of the good price. After try for an hour to get it to work correctly ( it would suck the chain into the wheel, wouldn't shift in to the larger cogs and was louder then my chain hitting the chain stays), I brought to back to the guys at KORE to have them put it on. The funny thing was they couldn't even get it to work. You know it's a great product when the people that make it can't even get it to work! | | Overall Rating: |
Submitted by
mike classen
a weekend warrior
from Los Angeles
Date Reviewed: November 28, 1998 | | Bottom Line: |
I use the CHAIN REACTOR down hill uphill through mud and water without any problems NOW! I had the same problem as some of the other reveiws with the arms of the Reactor rotating outward. Well I felt pretty dumb to find out that the bolt at the bottom pivot should be locked down tight after adjustment. This really is a work of art when properly used. Great product | | Overall Rating: |
Submitted by
Chris Thurney
a cross-country rider
from San Carlos, Ca
Date Reviewed: October 2, 1998 | | Bottom Line: |
My KORE CHAIN REACTOR (correct name) is far better than the last two devices I used. It looks like the Kore boys really gave this one some serious thought. Its very quiet and smooth. All my gears shift with percision.I also have the Kore Elite stem that is of excellant quality as well. | | Overall Rating: |
Submitted by
Tony Smith
a downhiller
from Bozeman, Mt
Date Reviewed: February 11, 1998 | | Bottom Line: |
Works great except that all bolts should be loctite'd to prevent Mike and Billy's problems. If anybody needs a custom clamp (to fit a weird chainstay) email me with the dimensions and I may be able to help. I had to make one to fit the oversized rectangle chainstay on my Titus' rear-end. | Overall Rating: |
Submitted by
Rich
a cross-country rider
from Point Pleasant, NJ
Date Reviewed: January 1, 1998 | | Bottom Line: |
The Chain Reactor was a worthwhile investment... I've tried all the others, including the TWP Sidewinder, which from a design perspective should kick the most ass. The Kore is definitely better. Only problems I had were getting a good positioning on my chainstay, because of tapered tubing. A piece of inner tube wrapped on top of the Lizardskin (yes, on top) took care of the slop. I swear my shifting has been crisper in addition to the chain staying very quietly on my drivetrain. If you've got chain problems, get the Kore. | | Overall Rating: |
Submitted by
Greg Hansen
a weekend warrior
from Calgary, Alberta, Canada
Date Reviewed: October 28, 1997 | | Bottom Line: |
This is a great little product. It was easy to install and setup (took less than 10 minutes). My only complaint came when I first spun the chain over the little wheel on the Reactor. It made a fair bit of noise -- sort of made my bike sound like my tire was rubbing the chain stay. Then an idea came into my head; I cut two small loops (about 1/2) of rubber out of a road bike tube and stretched them over the wheel; perfect fit & the wheel is now completely silent. In addition, I no longer have to worry about the wheel wearing from use -- as soon as the outer layer of rubber is worn out I simply have to cut a new band. One inner tube should last anyone their entire riding life, so no problem at all.Anyhow, since installing I have no more chain slap, and I have even improved my front shifting. Wow! | | Overall Rating: |
Submitted by
Tim Kalina
a cross-country rider
from Chicago
Date Reviewed: June 25, 1997 | | Bottom Line: |
I installed the Kore Chain Reactor (installation is very, very simple) on my Schwinn XT Homegrown because of a bad chain slap problem on rough terrain and it has really worked wonders. As to the one reviewer who complained about a)wouldn't work with a Lizard Skin
chainstay protector and b)the nut on the pulley came loose. Well, there is a very simple solution to each problem. a) Cut the Lizard Skin in half and install each half fore and aft of the mounting bracket on the Chain Reactor or, better yet, get one of those nice thick rubber WTB chainstay protectors and do the same. b)Put Loc-Tite on the pulley nut. In fact, you should Loc-Tite all the nuts on your bike. | | Overall Rating: |
Submitted by
Derek Burchman
a cross-country rider
from San Jose California
Date Reviewed: June 25, 1997 | | Bottom Line: |
THIS CHI-CHI KICKS ASS!!!!!!!!!!!!!! Forget the Ringle chain suck, You need to put two screws in it to keep it from rotating, but the KORE CHAIN REACTOR is so smooth I dont even know its on my bike!! You must remember that when its all adjusted to the right position you need to lock down the pivot screw on the bottom to keep the arms from swinging out. I noticed alot of people figure thats supposed to rotateat the bottom -NOT SO, I called Kore on it. ITs the GREATEST!! 10 CHILES | | Overall Rating: |
Submitted by
Brian
a downhiller
from San Diego, CA
Date Reviewed: April 17, 1997 | | Bottom Line: |
When this cool little gizmo works it is really great. Sometimes it moves out too far and hits the crank arm. You either have to stop and fix it, or do some maneuvering with your feet to push it back. If you do a lot of downhill riding it's highly recomended. Otherwise you might reconsider. If nothing else, buy it because it looks really, really cool, and you friends all go woaah! | | Overall Rating: |
Submitted by
Sean
a racer
from Chicago
Date Reviewed: March 6, 1997 | | Bottom Line: |
I had the Kore Chain Reactor on my Homegrown for several months and had nothing but problems. The unit was very hard to get adusted and was constantly coming out of adjustment. Also you can not use it with a Lizard Skin Chainstay protector because it wont clamp down hard enough and it will slide. A nut also fell off of mine during a ride which caused the pulley to fall off. If you want a chain tensioner don't buy Kore | | Overall Rating: |
Submitted by
sam
a cross-country rider
from
Date Reviewed: March 2, 1997 | | Bottom Line: |
This thing is great. It gets rid of chain slop and chainsuck. Buy it. | | Overall Rating: |
Submitted by
Mike
a downhiller
from California
Date Reviewed: July 18, 1996 | | Bottom Line: |
This little device worked well on my LTS. But on my new frame, which has large, rectangular chainstays, it does not fit. I was dissapointed that I had to retun it. Hopefully, Kore will address this problem and make a mount suitable for larger chainstays. | Overall Rating: |
Submitted by
Aaron McGuire
a cross-country rider
from Tallahassee, FL
Date Reviewed: June 15, 1996 | | Bottom Line: |
Those fella's at Kore have just released another awesome product
to the ever growing aftermarket performance parts market. The new kore chain
reactor is their newest gizmo to arrive on the scene. If you hate a sloppy,
noisy chain, then the chain reactor is a perfect correct all solution. It
goes on with little ease. It clamps down on the chain stay, approx 1.5 - 3
behind the main chainring. You don't even notice it's on when your biking
down the trail. It's especially nice when yoto not hear your chain klunk or
come off when your riding over rough terrain or shreddin' curbs in the urban
jungle. At approx $60, it is a great way to insure your chain will never
come off. I am very happy with the chain reactor.
| | Overall Rating: |
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