May 11th, 2011, 06:58 AM | #41 | |
ninjette.org member
Name: Bruce
Location: Hudson, FL
Join Date: Apr 2011 Motorcycle(s): 2010 Ninja 250 Posts: 38
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Quote:
The moment of inertia of an object about a given axis describes how difficult it is to change its angular motion about that axis. Therefore, it encompasses not just how much mass the object has overall, but how far each bit of mass is from the axis. The farther out the object's mass is, the more rotational inertia the object has, and the more force is required to change its rotation rate. For example, consider two hoops, A and B, made of the same material and of equal mass. Hoop A is larger in diameter but thinner than B. It requires more effort to accelerate hoop A (change its angular velocity) because its mass is distributed farther from its axis of rotation: mass that is farther out from that axis must, for a given angular velocity, move more quickly than mass closer in. So in this case, hoop A has a larger moment of inertia than hoop B. |
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May 11th, 2011, 07:21 AM | #42 |
Ninjette CPT
Name: Vince
Location: jacksonville, fl
Join Date: May 2009 Motorcycle(s): Black 08 250r Posts: A lot.
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.........i didn't say it would be a big difference keep in mind, there is in fact more mass from the axis due to the larger rim width even though the wheels are the same diameter. although, it's effect on the moment of inertia is probably negligible......
happy trails |
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May 11th, 2011, 10:07 AM | #43 |
ninjette.org certified postwhore
Name: Jason
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So... In short there will probably be no noticeable difference.
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May 11th, 2011, 10:17 AM | #44 |
ninjette.org member
Name: Bruce
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May 11th, 2011, 10:23 AM | #45 |
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June 16th, 2011, 04:24 PM | #46 |
Motorcyclist
Name: James
Location: Maryland
Join Date: May 2010 Motorcycle(s): 2014 Ninja 300 ABS Posts: A lot.
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Ordered THIS real wheel from Matt last weekend, can't wait for it to arrive. I'm currently running a BT016 150/60 on the stock wheel.
Once it arrives I will post some before and after pics. |
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June 16th, 2011, 04:31 PM | #47 |
Ridin Dirty
Name: Ed
Location: Delaware
Join Date: Jun 2011 Motorcycle(s): 2011 white se 250r , 2008 zx6R Posts: 921
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im considering this rim myself or just modifying a zx6 rim to put on.. undecided what i wanna do. curious to see pics when you get it on.
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June 18th, 2011, 12:03 AM | #48 |
ninjette.org Monkey Spank
Name: Kevin
Location: Illinois
Join Date: Apr 2009 Motorcycle(s): 2008 250R Track-Bike Woodcraft clip-ons and rearsets FZ-6 track bike Posts: A lot.
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Big rim is a waste of money for track riders. The rear traction isnt an issue. Slap a 150 or a 140 on the stocker and ride. If a wider rim is ok per the rules, I would think SOMEONE would be racing it if indeed it was better.
ANYONE RACING A 4.5 inch rim????? (if you can) $700 for the wider rear tire look?? (with a new tire) Whatever. To each his own.
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June 18th, 2011, 12:23 AM | #49 |
Ninjette wanabe :D
Name: Ruslan
Location: San Jose
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id love like a 160/60 on the ninja x]
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June 20th, 2011, 10:31 PM | #50 | |
The Sportisi Master
Name: Matt
Location: Chico
Join Date: May 2009 Motorcycle(s): 2008 Ninja 250 Posts: A lot.
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Quote:
I don't run a 140 or a 150 on my race bike I run a 120 front on the rear. I don't sell it as a racing app. The rim weighs 12 pounds if anyone was curious.
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June 21st, 2011, 09:46 AM | #51 |
ninjette.org Monkey Spank
Name: Kevin
Location: Illinois
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I know you dont, I was making a point is all. Is there a 130/60??
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June 21st, 2011, 12:07 PM | #52 |
Motorcyclist
Name: James
Location: Maryland
Join Date: May 2010 Motorcycle(s): 2014 Ninja 300 ABS Posts: A lot.
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Yeh, I'm not interested in racing so really doesn't matter to me what may work better for that application. I'm sharing my mods as I go with pics, a comparison and review once installed to help others who may also be interested.
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June 22nd, 2011, 05:45 PM | #53 |
Motorcyclist
Name: James
Location: Maryland
Join Date: May 2010 Motorcycle(s): 2014 Ninja 300 ABS Posts: A lot.
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Got my wheel today.
Unwrapped... Next to our 2011 250 with stock wheel and 130 tire... Some mounted shots... After a short test ride I see I was able to easily use more tire, I didn't have time to ride out to some nice twisties but it was a good test still... |
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June 22nd, 2011, 07:08 PM | #54 |
ninjette.org guru
Name: war
Location: north chicago burbs
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Looking good, James! Seriously good looking upgrade. Was it really plug and play?
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June 22nd, 2011, 07:13 PM | #55 |
ninjette.org certified postwhore
Name: Jason
Location: Jacksonville, Florida
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Looks good James. I am curious how I ordered mine a couple weeks before you and mine has yet to arrive. Guess I need check with Matt again to find out whats going on.
Btw... What's your total investment?
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June 22nd, 2011, 08:07 PM | #56 | |
Motorcyclist
Name: James
Location: Maryland
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Quote:
Thank you. I'm not sure about the shipping there, mine took 11 days to be delivered. Total into the wheel setup or entire bike? For the wheel I was already running the 150 BT016 on the stock rear wheel so I just had to purchase the new wheel and swap everything over. |
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June 22nd, 2011, 10:14 PM | #57 |
Ninja Master
Name: Chito
Location: Philippines
Join Date: Feb 2011 Motorcycle(s): 2010 Ninja 250r Posts: 43
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Very nice upgrade! Looks really good. I read somewhere that you need to watch out for the wheel bearing, you can change it to an original part if the bearings are damaged already.
I'll change mine also but It will be a conversion kit from ER6f mags, sprockets, etc. It will be more expensive since all parts will come from Kawasaki dealer except for the conversion kit.... I decided to do it because I have no plans of selling the bike, its a keeper! |
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June 22nd, 2011, 10:20 PM | #58 |
The Sportisi Master
Name: Matt
Location: Chico
Join Date: May 2009 Motorcycle(s): 2008 Ninja 250 Posts: A lot.
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I Actually pay more to have these rims come installed with brand new bearings.
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June 22nd, 2011, 10:51 PM | #59 |
Ninja Master
Name: Chito
Location: Philippines
Join Date: Feb 2011 Motorcycle(s): 2010 Ninja 250r Posts: 43
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Good to know that. Too bad for me since I already ordered the parts from Kawasaki before I learned that there is already plug and play rim available already in the market... I could have saved hundreds of dollars.
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June 22nd, 2011, 11:58 PM | #60 |
Ninjette wanabe :D
Name: Ruslan
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Its so beautiful you think you can fit a 160/60 on :S?
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June 23rd, 2011, 07:27 AM | #61 | ||
Motorcyclist
Name: James
Location: Maryland
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Quote:
Quote:
I know different manufactures have all sorts of sizing differences but I'm not sure a 160/60 would work. I think my Bridgestone BT016 in 150/60 is about a big as your going to get in there. Maybe Matt (ztrack157) would know the largest that would fit? |
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June 23rd, 2011, 10:25 AM | #62 |
ninjette.org certified postwhore
Name: Jason
Location: Jacksonville, Florida
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Woohoo!!! Mine should be here next week.
BTW... I was one of the first to try this mod on here (http://www.ninjette.org/forums/showthread.php?t=54118) and can say the 650R's wheel will have to have major machine work for it to work. I'll be selling off my 650R parts now (http://www.ninjette.org/forums/showthread.php?t=57233). I'm really looking forward to this mod.
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June 23rd, 2011, 10:57 AM | #63 |
The Sportisi Master
Name: Matt
Location: Chico
Join Date: May 2009 Motorcycle(s): 2008 Ninja 250 Posts: A lot.
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I think a 160 would fit. But you would have to ditch the chain guard
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June 23rd, 2011, 11:58 AM | #64 | |
Motorcyclist
Name: James
Location: Maryland
Join Date: May 2010 Motorcycle(s): 2014 Ninja 300 ABS Posts: A lot.
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Quote:
I read that other thread, that is A LOT of work to do, this wheel from Matt is really an easy way to do it and it all bolts/lines up perfectly, no worries. Ahh, yeah that could work, great point. I'm really happy with the 150 myself. |
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June 23rd, 2011, 03:49 PM | #65 |
ninjette.org member
Name: joe
Location: virginia
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can u post full bike pics
can you post some full bike pics from the rear for perspective. I think I might pull the trigger, if it only took 11days to arrive.
I'm like you, the bike is cheap, the mods are relatively cheap and I enjoy the bike to much to get rid of it. |
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June 23rd, 2011, 04:03 PM | #66 |
Ninjette wanabe :D
Name: Ruslan
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Anyway of modding the chain guard :S? Or will it be inaffective then?
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June 23rd, 2011, 04:04 PM | #67 |
Ninjette wanabe :D
Name: Ruslan
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and would it be pinching like if you put a bigger tire on the stocker?
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June 23rd, 2011, 05:09 PM | #68 | |
Ninja Master
Name: Chito
Location: Philippines
Join Date: Feb 2011 Motorcycle(s): 2010 Ninja 250r Posts: 43
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Quote:
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June 23rd, 2011, 08:20 PM | #69 | ||
Motorcyclist
Name: James
Location: Maryland
Join Date: May 2010 Motorcycle(s): 2014 Ninja 300 ABS Posts: A lot.
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Quote:
Quote:
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June 23rd, 2011, 08:28 PM | #70 |
Ninja Master
Name: Chito
Location: Philippines
Join Date: Feb 2011 Motorcycle(s): 2010 Ninja 250r Posts: 43
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June 23rd, 2011, 09:47 PM | #71 |
The Sportisi Master
Name: Matt
Location: Chico
Join Date: May 2009 Motorcycle(s): 2008 Ninja 250 Posts: A lot.
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There is only one way to tell. But I'm not going to install a 160 or a new rim on my bike for a test fit.
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June 23rd, 2011, 11:31 PM | #72 |
Ninjette wanabe :D
Name: Ruslan
Location: San Jose
Join Date: Apr 2011 Motorcycle(s): white 300 :D Posts: A lot.
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I know, I was just wondering if you took a bit off the chain guard over the chain would it not serve its purpose? :S Because its there so your pants dont get caught in the chain right :S?
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June 25th, 2011, 11:59 AM | #73 |
The Sportisi Master
Name: Matt
Location: Chico
Join Date: May 2009 Motorcycle(s): 2008 Ninja 250 Posts: A lot.
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it is more for keeping the undertail clean.
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June 27th, 2011, 04:20 PM | #74 | |
Motorcyclist
Name: James
Location: Maryland
Join Date: May 2010 Motorcycle(s): 2014 Ninja 300 ABS Posts: A lot.
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Quote:
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June 27th, 2011, 05:16 PM | #75 |
Ninja Master
Name: Chito
Location: Philippines
Join Date: Feb 2011 Motorcycle(s): 2010 Ninja 250r Posts: 43
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The rear wheel doesn't seem to be aligned?
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June 27th, 2011, 10:24 PM | #76 |
ninjette.org member
Name: joe
Location: virginia
Join Date: Oct 2010 Motorcycle(s): 250 Posts: 78
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thank you...that looks great
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June 28th, 2011, 07:22 AM | #77 |
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June 28th, 2011, 11:28 AM | #78 |
ninjette.org dude
Name: 1 guess :-)
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I noticed the same thing. Check out the picture below. it sure looks like the wheel/tire is mounted to the left of center when compared to the tailsection of the bike. It might be an illusion in the picture due to the bags.
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June 28th, 2011, 11:49 AM | #79 |
Motorcyclist
Name: James
Location: Maryland
Join Date: May 2010 Motorcycle(s): 2014 Ninja 300 ABS Posts: A lot.
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I lined up the notches (as usual) on the swingarm, after work I will take a peek at again to ensure it's good. Thanks
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June 28th, 2011, 11:50 AM | #80 |
ninjette.org certified postwhore
Name: Jason
Location: Jacksonville, Florida
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I think it is a illusion due to the angle the picture was taken. If you look closely you can see that more of the left fairing is showing than is the right. This means the picture was not taken straight on and I believe as the bike is rotated, with the front of the bike moving to the right just enough so the right fairing is showing just as much as the left, the red line I drew in will come around to the left a bit to align it perfectly in the center of the tire. The mirrors are another good source. See how most of the left mirror is showing and little of the right one is. Hope this makes sense.
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