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K-Edge chain catcher

Old 10-06-11, 05:53 AM
  #1  
embankmentlb
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K-Edge chain catcher

I want to give a review of the K-edge chain catcher I have been using about a month.
This thing works!

I started riding a new corse for my daily ride in the spring. It has extreme topo change requiring lots of front shifting. I was dropping the chain at least once every ride. Not fun approaching what looks like a wall & finding yourself freewheeling.

A bear to set up because you must remove the front D to bolt it on, but once on it does the job!
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Old 10-06-11, 06:06 AM
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Totally agree - it's expensive but definitely effective. Choice of colors is nice, too! (I got red)
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Old 10-06-11, 01:09 PM
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+1

Essential to have a chain catcher on a carbon bike. K-edge works as it should!
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Old 10-06-11, 01:26 PM
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Yes, it works perfectly and they make a model for triples;





not pictured here, but is now installed with a 26t small chainring.

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Old 10-06-11, 01:27 PM
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Anyone using the simple nylon/delrin plastic chaincatchers by Deda and others? They cost a lot less than K-Edge.
http://www.amazon.com/Deda-Fang-Bicy.../dp/B001SIEXQK

BTW dropping a chain once per ride sounds like FD tuning needs to be done. Been there, done that. However, even with good tuning you can drop occassionally, in the perfect set of circumstances.
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Old 10-06-11, 01:33 PM
  #6  
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Originally Posted by ColinL View Post
Anyone using the simple nylon/delrin plastic chaincatchers by Deda and others? They cost a lot less than K-Edge.
http://www.amazon.com/Deda-Fang-Bicy.../dp/B001SIEXQK
The Dog-fang works well on bikes made from tubesets, but not on modern carbon fiber bikes. You need a straight gauge tube for several inches below the FD to fit a Dog-fang. The smaller the inner chainring, the lower the down the Dog-fang needs to go.

Oh, and the chain can drop for multiple reasons. Ever see what a dropped chain can do to carbon fiber? A chain guide is cheap insurance.

Last edited by Barrettscv; 10-06-11 at 01:56 PM.
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Old 10-06-11, 01:34 PM
  #7  
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Originally Posted by ColinL View Post
Anyone using the simple nylon/delrin plastic chaincatchers by Deda and others? They cost a lot less than K-Edge.
http://www.amazon.com/Deda-Fang-Bicy.../dp/B001SIEXQK

BTW dropping a chain once per ride sounds like FD tuning needs to be done. Been there, done that. However, even with good tuning you can drop occassionally, in the perfect set of circumstances.
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Old 10-06-11, 01:44 PM
  #8  
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Less expensive options akin to the K-Edge exist from Rotor, Token, etc. They work just as well and you're not paying a premium for them a piece of metal.
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Old 10-06-11, 01:58 PM
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Originally Posted by Barrettscv View Post
The Dog-fang works well on bikes made from tubesets, but not on modern carbon fiber bikes.
If you have a clamp-on FD is it valid to assume that a dog fang will work?
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Old 10-06-11, 02:10 PM
  #10  
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Originally Posted by ColinL View Post
If you have a clamp-on FD is it valid to assume that a dog fang will work?
Nope.



The FD mounts on a part of the seat-tube that is a cylinder. Below that location, some (many?) carbon fiber seat-tubes flare-out to stiffen the BB juncture. This shape does not provide a location for a Dog fang to be installed.
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Last edited by Barrettscv; 10-06-11 at 02:16 PM.
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Old 10-06-11, 03:07 PM
  #11  
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Originally Posted by embankmentlb View Post
I want to give a review of the K-edge chain catcher I have been using about a month.
This thing works!

I started riding a new corse for my daily ride in the spring. It has extreme topo change requiring lots of front shifting. I was dropping the chain at least once every ride. Not fun approaching what looks like a wall & finding yourself freewheeling.

A bear to set up because you must remove the front D to bolt it on, but once on it does the job!
Thanks for the review! I'm interested in getting one of these but not looking forward to removing the FD.
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Old 10-06-11, 06:15 PM
  #12  
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Originally Posted by hmai18 View Post
Less expensive options akin to the K-Edge exist from Rotor, Token, etc. They work just as well and you're not paying a premium for them a piece of metal.
And you can find even cheaper similar-shaped no-name pieces of machined aluminum from Taiwan and China.
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Old 10-06-11, 06:42 PM
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i installed my chain catcher without a serrated washer. it didnt really work. now its solid.
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Old 10-07-11, 06:38 AM
  #14  
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I had to have a frame repaired because of dropped chains. It only happened a couple of times, but it put some good gouges in the frame that I had to have fixed at Calfee. The K-Edge was kind of a pain to set up (I didn't do it -- the LBS did, and it took them a few tries to get it right.) But it was well worth the money. I'm getting the bike built back up as soon as the new Ultegra Di2 stuff comes in, and I will still have them re-install the chain catcher.
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Old 10-07-11, 06:58 AM
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My Scott CR1 came with the Deda-type catcher. Never any issues or drops.
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Old 10-07-11, 07:03 AM
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I bought one of these, and it works just as well as the more expensive options. Made in America, if that's important to anyone...

http://www.ebay.com/itm/CRT-Designs-...#ht_500wt_1413
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Old 10-07-11, 07:20 AM
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K-Edge on my BMC (CC had it in stock anyway, so I made it part of my build) and a dog fang on my commuter. Couldn't switch them if I wanted to, either. So far, they must be working great (knock on wood! ).
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Old 10-07-11, 07:42 AM
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i have an offbrand one also.
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Old 10-07-11, 08:19 AM
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That reminds me to get one. Just got the Token one off ebay.
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Old 10-07-11, 08:21 AM
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I make my own chain drop device. I usually use a small piece of rubber - I have used an old rubber roller from my boat trailer. Then I cut it with my table saw into a small cube about 1/2"-1" in dimensions. Then on the chain-side surface I cut an angle (to direct the chain back to the cogs). I drill a small hole in the rubber cube and attach it to the frame in the correct position with a tie wrap. I have epoxied a small piece of metal on the sloped side that contacts the chain but it really isn't necessary.

It takes me about 5 minutes to make one and haven't had a chain drop in 5 years (even if the FD gets a little out of adjustment). I would never ride a bike without one of these.
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Old 10-07-11, 08:21 AM
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http://www.ebay.com/sch/i.html?_from...All-Categories

You can save $40 and a few grams with the Rotor chain catcher off eBay.
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Old 10-07-11, 08:34 AM
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Originally Posted by jrobe View Post
I make my own chain drop device.
jrobe, any pics of it?
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Old 10-07-11, 08:50 AM
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I've been happy with my N-Gear Jump Stop. The guy sends it to you to try out. If you're happy with it send payment if not send it back. ~$12 shipped and no need to remove the FD.
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Old 10-07-11, 10:21 AM
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I have been riding with a K-Edge on my cross rigs for 2 years now. I don't use them on the road so much but I have. FD adjustment can near eliminate chain drop (good FD and frame and BB that don't flex like wet noodles helps too), but it can still happen.

In cross it happens a TON. You have this tendency to bounce your bike when lowering it back down after a run up or barrier. That bouncing can lead to frequent chain drop. Not to mention that you get in a lot more wrecks in cross. K-Edge has some killer options for cross guards that just can't be beat.
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Old 10-07-11, 08:08 PM
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I have a K-Edge on my road bike and an N-Gear Jump Stop on my mountain bike. I didn't have any chain drop problems, but my friend did regularly, due to poor derailleur adjustment and shifting choice. I bought and installed them all at the same time in May. No drops since, but no lube or scratches on the catchers (indicating a prevented drop) either.

Originally Posted by adriano View Post
i installed my chain catcher without a serrated washer. it didnt really work. now its solid.
Was it moving around all the time, or did the chain push it out of the way?

I put mine too close, and it started clicking against my chain ring bolts after a month. I think that the derailleur cable tension and shifting twisted the whole derailleur/catcher assembly relative to the braze-on bracket. I gave it more room and a dab of carbon assembly paste.

Originally Posted by ricebowl View Post
I've been happy with my N-Gear Jump Stop. The guy sends it to you to try out. If you're happy with it send payment if not send it back. ~$12 shipped and no need to remove the FD.
It's also available from online stores (and LBS, I assume). Setting it low for a granny gear was a little complicated: I had to shave the front of the clamp to fit over a weld.
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