February 14th, 2013, 10:32 PM | #81 |
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For riding shoes something I have found works great is a good set of leather cowboy boots. With rubber soles, and thick leather. They offer a great deal of protection, and you can still walk around normally in them. Some even have steel toes.
I've found these are more comfortable than work boots, and a lot less expensive than riding boots.
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February 20th, 2013, 01:34 PM | #82 |
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Tire issue
A guy at my local ABATE chapter said that when new motorcycle tires are made, they spray the inside of the mold with a silicone release agent. This makes it so that the rubber doesn't stick to the mold and will release the new tire properly. The problem is that they don't wash this off because it helps protect the rubber prior to sale. He said that after installing new tires to wipe them down with ethyl alcohol (not isopropyl) and that will remove the silicone. He said that new tires aren't trustworthy until they have at least 100 miles on them.
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February 20th, 2013, 01:42 PM | #83 |
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Don't believe everything you hear at ABATE meetings.
There are some good links in our thread below about motorcycle tire manufacturing and release agents. (cliffs notes: nobody has used them for years). Scuffing tires in
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February 20th, 2013, 01:57 PM | #84 |
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I did work at a car's tires factory and can tell that the silicone agent is a myth.
The rubber is vulcanized with steam inside highly polished steel molds that open in half after the cooking process finishes. When that mold opens, the tire is smoking hot and dilated and basically jumps out of the mold as soon as it opens. Later on, a person makes it rotate at high rpms' for testing and to cut all the "hair" off. That hair is rubber that flowed into the many little holes of the mold that serve as vents for hot air and steam and also for compressed air that helps release the tire. "The economically most important method (vulcanization of tires) uses high pressure and temperature. A typical vulcanization temperature for a passenger tire is 10 minutes at 170 °C. This type of vulcanization is called compression molding. The rubber article is intended to adopt the shape of the mold." http://en.wikipedia.org/wiki/Vulcanization The 100 miles rule is for full setting of the edges into the wheel.
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February 20th, 2013, 02:26 PM | #85 | |
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The "haven't used mold release agents in hundreds of years" thing is really more of an urban legend I think. They absolutely must use something to keep the tire from sticking to the mold and ruining it. Its probably more like whatever they used to use, they are now using something different, better, less toxic, lower carbon footprint, etc. Maybe something that washes off with water?
From the shinko website: Quote:
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February 20th, 2013, 02:30 PM | #86 |
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Yeah, that dude was talking out of an orifice other than his mouth
Read post number 1: http://www.gixxer.com/forums/showthread.php?t=176572 But he is right on one thing; riding cautiously for the first few miles (let's call it 50-100) and getting all the shiny part worn off before going hard on new tires is not going to hurt anything. |
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February 20th, 2013, 02:33 PM | #87 |
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Read the thread in post 83, D, and click on the links. There's a guy from Pirelli describing how/why they don't use anything of the sort on the tread.
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February 20th, 2013, 02:34 PM | #88 |
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Here is an article on motorcycle tire manufacture. There is no specific mention about release agents, but there is mention that different companies use different manufacturing technologies.
So obviously, some people do use it and some don't. EDIT: Mold release agents used for motorcycle tires - Dunlop - No Michelin - Yes Pirelli - No Shinko - Yes Bridgestone - ??? (dodged question). In all cases, the manufacturers are recommending a 100 mile break in period.
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February 20th, 2013, 02:44 PM | #89 |
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edit: self-awareness moment, I realized we were debating this in a crash thread. Let's continue this if needed in one of the tire threads as necessary.
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February 20th, 2013, 02:55 PM | #90 | |
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Quote:
He also seems to be saying that the pirelli tire does not need a break-in period to be scuffed in, whereas other say it does. In any case, it wasn't my imagination that the tire slipped out and I crashed. I know it was mostly my fault, but the road was totally clear, dry, and warm. And now that I have a few more miles on them, they definitely seem to be gripping a bit better.
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February 20th, 2013, 03:54 PM | #91 |
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Good. I was really wondering about that, because I've never had them feel as bad as you were saying they were. I was beginning to wonder if I had given you bad advice about using them...
How many miles do you have on them currently? |
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February 20th, 2013, 04:07 PM | #92 | ||
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Quote:
Here is a copy of an email from Pirelli, in short, they deny using mold release: Quote:
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February 20th, 2013, 04:15 PM | #93 | |
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They suggest 300 miles? That's nuts. That's a butt-covering response from them.
Quote:
This goes back to a post I made earlier in this thread about being cautious whenever you make changes to your bike. Don't go hard until you know how it feels and how it reacts. |
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February 20th, 2013, 04:30 PM | #94 | |
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I do agree that a rider needs to get used to the handling of new tires, but I don't agree that its the only reason for a break in period. I say the tires are doing better now because today I did a 90 degree corner in my neighborhood at 30 mph with no problems. Ok, that's still less than 40, but that roundabout wasn't as sharp. In any case, I've become so curve paranoid that its making me want to run out and buy a pair of motorcycle boots.
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February 20th, 2013, 04:38 PM | #95 | |
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I have wide feet with a REALLY high arch, so finding shoes in general is bloody miserable for me. I'm a chick so if might be different, but I found A* useless for me, but my Dianese's (Woman's Avant boots) fit me perfectly.
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February 20th, 2013, 04:42 PM | #96 |
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That's a good thing to be a little respect for curves never hurt anyone.
Be as smooth as possible. You'd be amazed how much faster you get and how much less stressful it is to go fast when you're smooth. Smooth transitions, smooth turn it, get your weight set up before the turn, not as you're turning in. |
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February 20th, 2013, 04:43 PM | #97 | |
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Quote:
Posters in those links keep assuming that, but it is far from true. They mix the virgin rubber and graphite and everything else in a mixer made of steel, and you can see that rubber doesn't stick to any part (just like oil over a wet surface). Then, several layers of cords and textile are "painted with that soft rubber" and assembled one over the other and wrapped to the wire rims. That is what goes into the steam press or mold, which is hot and have just released the previous tire; not spraying or brushing of any mysterious substance.
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February 20th, 2013, 04:59 PM | #98 |
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Awww yea.
... we really need a hot chick yellow ball smiley thing.
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February 20th, 2013, 05:20 PM | #99 | |
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Actually, I am always looking for an excuse to ride the Ninjette - funny tires or not. Even a broken rearset and dangling peg didn't stop me from riding it out of there. Even lame, I still replaced the rearset and rode the bike home inside of two hours. That is, I treated my bikes condition and rode it safely home before I put the first bandage on myself. You have to be a serious Ninja addict to do something like that. Ok, home is where I keep the bandages, but that is beside the point.
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February 20th, 2013, 07:31 PM | #100 |
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No no, I never even suggested that. I didn't say slow. I said respect them. That means be aware of your limits. Be smooth and precise through the corner, don't be cocky and reckless.
For example, I used to push too hard and not respect the corners. I pushed right up to my limit; I went as fast as I could and I had some butt-puckering moments because of it. Then I started working on being fluid and smooth. I worked on body positioning. I'm by no means a pro, but when I'm fluid and controlled, the corners always go faster, without being up on my limits. That's what I mean by respecting the corners. But you really should wear earplugs. The wind noise is a constant high dB roar that can ruin your hearing from long term exposure. There's times I come back from even a bicycle ride with ringing ears. |
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February 20th, 2013, 08:50 PM | #101 | |
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Anyhow, I wont be doing 40 through there for a while. I tried earplugs one time. They totally mess me up. I couldn't even start the bike with them in. I got about a mile away before I had to pull over and take them out. I was so disoriented I couldn't keep the bike in a straight line. Maybe some day I'll hit the lottery and buy one of those $1500 low noise helmets. Besides, its really hard to hear where all the traffic is when you can't hear anything.
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February 20th, 2013, 08:55 PM | #102 |
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Oh, I know. We have one tight roundabout that says 15 mph suggested. It's not kidding.
Huh, I love riding in earplugs. No wind, all engine, but I can still pick out cars and sirens and horns fine |
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February 20th, 2013, 09:01 PM | #103 | |
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February 20th, 2013, 09:04 PM | #104 |
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February 20th, 2013, 09:15 PM | #105 |
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Here's a video of carrying speed and respecting turns without being dumb and going above your limits.
Link to original page on YouTube. |
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February 20th, 2013, 09:37 PM | #106 |
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You have some of the best roads up there.
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February 20th, 2013, 09:40 PM | #107 |
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Nah, that one's nice and short. But it's always fun for at least a few loops of fun time
You have to head south to really get any significant length of twisty roads. |
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February 20th, 2013, 09:48 PM | #108 |
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I was thinking about going to the dragon, but I don't know if I can ride that far with my shoulder messed up. Maybe later.
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February 20th, 2013, 09:53 PM | #109 | |
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I think I'm just gonna take your word on that one...
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February 20th, 2013, 10:30 PM | #110 |
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If you're still looking for a boot/shoe that offers good protection and is comfortable enough to walk around with I'd suggest the Speed & Strength Moment of Truth's.
http://www.revzilla.com/motorcycle/s...of-truth-shoes Sturdy, quality, have held up so far for me, and I've had them on all day. They were slightly uncomfortable at the ankle at first because it locks them in pretty well, but after breaking them in... all day comfort. Obviously not like a tennis shoe, but you have to give and take. The local shops and dealerships around here stock them too, hopefully you can try them on. US sizing. |
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February 21st, 2013, 12:47 AM | #111 | |
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February 21st, 2013, 05:41 AM | #112 | |
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They aren't that much more than a new pair of sneakers. The regular boots tend to use zippers which offer good closure, but I didn't see any that had any kind of adjustment.
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February 21st, 2013, 06:09 AM | #113 | |
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The suggested speed sign said 15 mph. That usually means that double (30 mph) is plenty slow enough for motorcycles. But I was going faster than that. The math: The distance to traverse a 35' radius semicircle roundabout = 110' 1st right = left = 2nd right = 36' each Speed: 40 mph = 58 feet per second Time for trip: 1.9 seconds Time for each turn: 0.63 seconds Its not impossible, you just have to be on top of your game. Unfortunately, I wasn't that day.
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February 21st, 2013, 08:04 AM | #114 |
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February 21st, 2013, 11:36 AM | #116 | |
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Quote:
http://www.kratzmc.com/wp-content/up...8/06/577_2.jpg |
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February 21st, 2013, 11:39 AM | #117 | |
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