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#Post#: 2617--------------------------------------------------
Knobby Knife
By: truck11 Date: April 6, 2015, 10:15 pm
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Wanted to share my experience with the Knobby Knife
HTML http://www.knobbyknife.com/
a tool to help 'freshen up' worn
tires by putting a sharp leading edge on the knobbies.
First, I would like to say that I got one a while back and it
didn't really work, got frustrated with it and just put it away
to collect dust. Last week I was talking to a riding buddy and
the topic of tires came up. Hmmm, I remember I have this thing
called a Knobby Knife! I knew mine didn't work (didn't get hot
enough), so I called the company to see what they suggested or
could do for me. This is a small family owned business and the
next thing I know, a new one was in the mail, gratis. 2 days
later, I'm cutting tires!
This is my first real attempt and I don't think I did too badly
- didn't take long either. Going trail riding this weekend so
I will see how well they do and hold up!
YES - it does cut some of the knobby off, but you gain the sharp
biting edge.
Tire is a Michelin M12 - see my original post about the tire
here
HTML http://690enduro.createaforum.com/tires/120100x18-tire/?message=1539;PHPSESSID=c9f7a3debb81915c461c854fa46e2af3
HTML http://690enduro.createaforum.com/tires/120100x18-tire/?message=1539;PHPSESSID=c9f7a3debb81915c461c854fa46e2af3
(pictures are not great, sorry)
Rounded edge
[URL=
HTML http://s1273.photobucket.com/user/jhaddad2/media/knobby%20Knife/364F35B1-B4C8-4B48-8B6A-00AEE7A08B9F_zpszzvsgtru.jpg.html][IMG]http://i1273.photobucket.com/albums/y405/jhaddad2/knobby%20Knife/364F35B1-B4C8-4B48-8B6A-00AEE7A08B9F_zpszzvsgtru.jpg[/img][/URL]
First few attempts at cutting a sharp leading edge
[URL=
HTML http://s1273.photobucket.com/user/jhaddad2/media/knobby%20Knife/24F1AA57-9EB9-4AE3-9045-754BD144C5FA_zpskyzejwsc.jpg.html][IMG]http://i1273.photobucket.com/albums/y405/jhaddad2/knobby%20Knife/24F1AA57-9EB9-4AE3-9045-754BD144C5FA_zpskyzejwsc.jpg[/img][/URL]
[URL=
HTML http://s1273.photobucket.com/user/jhaddad2/media/knobby%20Knife/D9AD0C03-CA48-41A1-B47E-00B47EC991D8_zps4pkty15y.jpg.html][IMG]http://i1273.photobucket.com/albums/y405/jhaddad2/knobby%20Knife/D9AD0C03-CA48-41A1-B47E-00B47EC991D8_zps4pkty15y.jpg[/img][/URL]
100w soldering iron type tool with a sharp blade that gets hot
enough to cut knobbies
[URL=
HTML http://s1273.photobucket.com/user/jhaddad2/media/knobby%20Knife/20C1C4F0-05C8-4729-BC06-DAABFCB93642_zpslbdbltvt.jpg.html][IMG]http://i1273.photobucket.com/albums/y405/jhaddad2/knobby%20Knife/20C1C4F0-05C8-4729-BC06-DAABFCB93642_zpslbdbltvt.jpg[/img][/URL]
#Post#: 2618--------------------------------------------------
Re: Knobby Knife
By: Guymcfly Date: April 7, 2015, 6:27 am
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I bought 1 a couple of years back. My riding area is hard on
tires, lots of rocks and gravel. Main thing is to give the knife
plenty of time to heat up. A good 20 minutes is what I do. Makes
cutting the rubber very easy.
Also the more you use it the better you get. I now find I cut
away very little rubber to sharpen the knobs up.
#Post#: 3625--------------------------------------------------
Re: Knobby Knife
By: rastawheel Date: June 10, 2016, 10:55 am
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I have been using one for years now. You can only cut a tire
once or twice and then the knob is too weak and they start
ripping off. I have found that cutting a small layer off the top
helps give all four side a sharper edge.
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