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bast_uk
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(Complete Newb)
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08/15/08 10:58 AM
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fat front tyre
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Looking to fit a fatter/chunkier front tyre to my speedmaster anybody any experience with this ? currently have 110 lasertec fitted with a metzeler rear was thinking a 120 or if possible a 130.Front fender is coming off so no worries there.
Any tyre size recomendations and UK suppliers ?
Thanks.
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Fasteddy
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(Learned Hand)
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08/15/08 11:48 AM
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Re: fat front tyre
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JUst saw Gooseman's bike and it has a 120 on the front with stock fender that just needed to be raised, looked realy cool with a tight fit. So the answer is yes on your tire, if no fender, 130 may well work.
eddy
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BrianT
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(Loquacious)
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08/15/08 07:57 PM
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Re: fat front tyre
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A Metzler Marathon XXL 130/70-18 fits very well, no mods needed.
It's only 3mm taller than a stock 110/80.
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Chip
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(Adjunct)
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08/15/08 10:09 PM
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Re: fat front tyre
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Is there any noticeable change in handeling with the larger tire? I always felt that the more similar the width of the tire the better the handeling. Could be just me though.
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BrianT
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(Loquacious)
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08/16/08 06:37 AM
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Re: fat front tyre
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It handles great. I have no problem with the quick-twitch, this-moron's-going-to-run-me-over, snap out of the way.
 
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EDG1911
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(Adjunct)
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08/16/08 11:24 AM
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Re: fat front tyre
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Quote:
It handles great. I have no problem with the quick-twitch, this-moron's-going-to-run-me-over, snap out of the way.
I have to concur.
After seeing BrianT's post from way back  about the 130/70 fitting I had one put on a few months ago and I like it much better than the lazertech.
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Re: fat front tyre
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Installed the Marathon 880 130/70-18 front tire yesterday and it sure looks alot better. After a short test ride I must say she handles great and steady. A little bit harder to turn on corners but nothing to worry about.
P.S. Installed the Progressive Suspension fork springs at the same time (thanks to fasteddy) and they also make a big difference over stock springs.
 
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Grzegorz
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(Freelance Jedi Knight)
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04/26/09 07:53 AM
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Re: fat front tyre
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best place to buy tyres in uk is e bay and seller "roundandblack" best prices and quick delivery and if you want to buy more than one tyre (two or tubes) message him first to avoid multiple postage
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Re: fat front tyre
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That's da biggest rear tire (low profile) that can be fit on with having to chop up the chain guard etc?
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Re: fat front tyre
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I have a 120/90 on mine, had to trim out the center of the fender mounting bracket
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Re: fat front tyre
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120/90 on mine too.
There's a kit from british customs for a fat rear tire, I think a 200.
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Re: fat front tyre
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Here you go
http://www.british-customs.com/british-customs-bonneville-america-speedmaster-wide-wheel-kit.html
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Horse
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(Greenhorn)
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04/28/09 12:25 PM
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Re: fat front tyre
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Hi all Irecently stuck Avon Venoms on my speedie and she now handles like a dream,next time Iwill go for a 120/90 and in the uk speak to roundandblack and He will tell u why not to put 130 size on 2.5" rim..must say hes a sound geezer .Horse
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Re: fat front tyre
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Quote:
...He will tell u why not to put 130 size on 2.5" rim...
So if he knows you propably know since you didn´t put the 130 tire on your bike and I would appreciate if you would tell me.
The tire fits perfectly on the rim so that cannot be the reason and I had mine installed by a pro and they didn´t think there is any problem, so...???
Or did I misunderstood something (I´m quite good at that)?
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BrianT
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(Loquacious)
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04/29/09 03:03 AM
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Re: fat front tyre
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Harald-
A 130/70 front fits, no fender mods needed.
It works.
I've got 9500 miles on mine.
No worries.
Check out the pic near the beginning of this thread.
If you like the looks, use it.
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Re: fat front tyre
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Quote:
Harald-
A 130/70 front fits, no fender mods needed.
It works.
I've got 9500 miles on mine.
No worries.
Check out the pic near the beginning of this thread.
If you like the looks, use it.
Yes yes, I already did and it fits perfectly, looks much better, handles great and so on. Wouldn´t change back.
Just started wondering when somebody writes we shouldn´t use that "130" tire on our bikes, without any explanation of course.´
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Horse
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(Greenhorn)
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04/29/09 12:11 PM
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Re: fat front tyre
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sorry,didnt mean to put the cat among the pidgeons,when i was searching for ways to make my speedie handle well here in the uk i was told that avon do not recomend 130 tyre size for 2.5"rim. iwent for 100/90 but next time will try 120/90,the avons are much better for uk riding than the metz
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Horse
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(Greenhorn)
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04/29/09 12:15 PM
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Re: fat front tyre
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fitted as standard in my opinion for my style or whatever of riding it dont slip an slide any more on greasy white lines etc. Horse
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FriarJohn
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("Lighten up, Francis.")
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04/29/09 01:03 PM
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Re: fat front tyre
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I've got the 130/70 on my TBS wheel and 18" TBA hoop, but I haven't had the time (or the weather, or the health) to mount her up. I've always had Avons since the original tires and I've tried the 100/90 and currently the 120/90. Don't know that I have enough experience to tell the difference but the 120 didn't feel any "heavier" than the 100.
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Re: fat front tyre
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Quote:
Here you go
http://www.british-customs.com/british-customs-bonneville-america-speedmaster-wide-wheel-kit.html
That´s nice and expensive. Basic price+shipment+taxes makes it too expensive for a regular fellow like me. Got to stick to the oem one, but if I get rich oneday...
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Grzegorz
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(Freelance Jedi Knight)
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04/30/09 10:25 AM
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Re: fat front tyre
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Quote:
Quote:
Here you go
http://www.british-customs.com/british-customs-bonneville-america-speedmaster-wide-wheel-kit.html
That´s nice and expensive. Basic price+shipment+taxes makes it too expensive for a regular fellow like me. Got to stick to the oem one, but if I get rich oneday...
I got my wheels from them Custom Wheels
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Re: fat front tyre
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I see from the posts above that 130/70-18 fits without any mods and the 120/90 requires a mild mod to the fender bracket. Soooo
Has anyone ever tried a Metzler 130/80-18 tire before? Any good or bad feedback would be appreciated. Would it fit without any mods?
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FrankW
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(I live in the sun downunder)
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05/05/09 07:20 PM
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Re: fat front tyre
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From the sizes given the diameters are as follows.
130/70-18=====639.2mm.
130/80-18=====665.2mm.
120/90-18=====673.2mm.
Work it out from there. 
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Re: fat front tyre
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went with the 120/90 also. no probs till i hit the motorway at speed when the weather fined up. hit the 70 80 mark and tyre started smokin thought ide got a bit o gravel loged under fork brace took it off t have a look n it had rubbed blue no gravel.tyre was swellin up too much for the tight fit also was rubbin ont sides a bit.just out of curiosity does anybody know how much a tyre can swell up by.ground out the sides ont fork brace a couple a mil think that might be enuff
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TrOjAn
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(Adjunct)
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05/19/09 11:29 AM
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Re: fat front tyre
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OK, so I need a tyre THIS week... decided on the 130 / 70 18 but where ever I locate them they ALL state REAR.
Can someone UK based point me to a decent priced 130/70-18 supplier please.
Thanks,
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Horse
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(Greenhorn)
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05/19/09 12:27 PM
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Re: fat front tyre
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Try roundandblack I got verry good advice and service fromthem their phone is 01582 600788 Ireckon theyr well worth a try. Horse
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TrOjAn
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(Adjunct)
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05/19/09 12:41 PM
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Re: fat front tyre
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Cheers for that Horse, I did search eBay for roundandblack but got no results..
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Re: fat front tyre
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Don´t know any UK dealers and can´t help with "this week" but sure can recommend the internet store I bought my tire from:
Mynetmoto.com
As a relatively nice guy (not), I even searched the tire ready for you with UK price.
I ordered mine from them and it took like a week to arrive to Finland.
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TrOjAn
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(Adjunct)
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05/20/09 07:00 AM
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Re: fat front tyre
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Thanks for the replies..
Have one ordered for tomorrow so should have it fitted by the afternoon all being well, supplied, fitted, balanced £93
Blackandround quoted £91.50 delivered so I think I got a decent deal... looking at the old tyre.. bald in the middle BRAND new on the outer edges, even has the pimples still on the outer edges, LOL bet the new one gets worn all over now I have sorted the handling out 
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Re: fat front tyre
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Quote:
looking at the old tyre.. bald in the middle BRAND new on the outer edges, even has the pimples still on the outer edges, LOL bet the new one gets worn all over now I have sorted the handling out
How did this happened? Just riding all straight never catching any corners? Didn´t think your island is that big, or is it? 
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Grzegorz
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(Freelance Jedi Knight)
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05/20/09 10:31 AM
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Re: fat front tyre
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did you order 130 tyre? was checking mudguard bracket today at it has just a little more than 130 in width... I'm curious with result
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TrOjAn
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(Adjunct)
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05/20/09 11:09 AM
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Re: fat front tyre
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Quote:
Quote:
looking at the old tyre.. bald in the middle BRAND new on the outer edges, even has the pimples still on the outer edges, LOL bet the new one gets worn all over now I have sorted the handling out
How did this happened? Just riding all straight never catching any corners? Didn´t think your island is that big, or is it?
Well I am unable to stand the amount of P*** taking I will get if I told the truth so for now.. accept the fact its only worn in the middle, lets say, it was over inflated, there, that sounds good.. 
Yep I ordered one, the A1 Avon Viper 130/70 - 18 hope to get it on tomorrow and will post back after Ive ridden it maybe a photo or 2
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lylesdo
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(Learned Hand)
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05/25/09 10:40 AM
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Re: fat front tyre
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What is the biggest tire you can put on our stock rear rim?
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TrOjAn
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(Adjunct)
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05/26/09 01:42 AM
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Re: fat front tyre
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130 fitted, can hardly notice any difference in size, its about 1" larger when stood next to the old one, wonder what effect it is having on speedo accuracy?
Defo handles a LOT better, Im well pleased.
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Re: fat front tyre
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it should make your speedo more accurate
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Re: fat front tyre
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Quote:
Quote:
Here you go
http://www.british-customs.com/british-customs-bonneville-america-speedmaster-wide-wheel-kit.html
That´s nice and expensive. Basic price+shipment+taxes makes it too expensive for a regular fellow like me. Got to stick to the oem one, but if I get rich oneday...
Yeah, I'm waiting to win the lottery too.
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Re: fat front tyre
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Quote:
Quote:
Quote:
Here you go
http://www.british-customs.com/british-customs-bonneville-america-speedmaster-wide-wheel-kit.html
That´s nice and expensive. Basic price+shipment+taxes makes it too expensive for a regular fellow like me. Got to stick to the oem one, but if I get rich oneday...
Yeah, I'm waiting to win the lottery too.
Good deal, since you got real money coming in from the lottery. Here in Finland it´s normally like half a million to million euros and when you pay half a million for a nice house, it doesn´t really make you rich to win the lottery. Maybe makes you independent from the bank, but rich, NOT! 
Sorry OT!
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Re: fat front tyre
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Hey Guys I am replacing my stock tires for the 1st time and I would like to go a lil'bigger and I want white walls.  I keep reading about Maxxis being the preferred brand but getting harder to find and Dunlop is the next best thing. Anyone know what the biggest i can go without alot of mods to the Fenders and whats the verdict on tubless vs. tubed and can the original stock rims supporta tubless tire? I really appreciate all the help you guys give out..
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Re: fat front tyre
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The wire wheels have to have tubes. The laced rims are not air tight or designed for tubeless tires.
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Re: fat front tyre
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You can use "tubeless" tires with tubes inside. The maxxis are marked tubeless and what I & a few members here currently have front and rear with tubes inside. Maxxis doesnt specify either way exactly on the tire that you "can" go with tubes, but the dunlop whitewalls rated tubeless actually say on the side "in case of tube tire use tube"
Im not sure what sizes you'll be able to get for the front without a fender modification though. I just ride with no front fender.
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Re: fat front tyre
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I was wondering if anyone has had any luck finding 130/70-18 in a wide White Wall?
http://www.motoxoutlet.com/index.asp?PageAction=VIEWPROD&ProdID=606
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chuckyj
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(3/4 Throttle)
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11/06/09 07:28 AM
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Re: fat front tyre
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Why does metzeler have the ME 880 in a Bias and a Radial? Also the shop I do buiness with can only get the bias tire is this a big deal I very confused.
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Re: fat front tyre
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IF you are going to run a radial run both as radials.If bias tire run both.
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chuckyj
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(3/4 Throttle)
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11/11/09 07:50 PM
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Re: fat front tyre
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Thats what I thought but I think factory tires are byis back and radial font any way.
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Keith
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(Stickman Yogi)
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11/12/09 08:41 PM
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Re: fat front tyre
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Quote:
I was wondering if anyone has had any luck finding 130/70-18 in a wide White Wall?
http://www.motoxoutlet.com/index.asp?PageAction=VIEWPROD&ProdID=606
As far as I know there is now only one www tire for our bikes, and it's a Dunlop K177 120/90-18. Don't quote me on that but I think this may be true.
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Re: fat front tyre
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I need to do the same or raise it up some. I am thinking raise it, I liked the look when i had it real close but if gravel or something tore through there it sounded like the fender and tyre was being tore to shreds. Has any one had luck manufacturing risers for the front fender?
Quote:
I have a 120/90 on mine, had to trim out the center of the fender mounting bracket
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jryan
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(Adjunct)
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06/24/12 04:58 PM
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Re: fat front tyre
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I love my coker.
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Re: fat front tyre
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Quote:
I need to do the same or raise it up some. I am thinking raise it, I liked the look when i had it real close but if gravel or something tore through there it sounded like the fender and tyre was being tore to shreds. Has any one had luck manufacturing risers for the front fender?
3/4 of the way down this thread ==> The Vault - How Tos. Keith has a very nice solution. I took a slightly less elegant route. 4 approximately 1.5 inch by 1/2 inch lengths of aluminum drilled with 2 holes and painted flat black to raise mine. I have the Dunlop K177 120/90-18 wide white wall.
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Ryk
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(Learned Hand)
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06/24/12 07:56 PM
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Re: fat front tyre
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I managed to fit a 130/90 with a combo of Keith s extenders and some hillbilly surgery. [image] [/image]
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Re: fat front tyre
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I'm a bit confused here. It seems to me that those of you who are using a 130/70-18, are putting a smaller diameter tire on your bike. No? As far as I know, the stock size is 110/90-18 on pre-2011 Americans. So the diameters are as follows:
110/90-18 is 65.5cm
130/70-18 is 63.9cm
Am I missing something here? Some of you have mentioned that the stock front tire size is 100/90-18, but I have not seen this in anything that I've read, nor is it the case on my bike.
I'm thinking 130/80-18 (66.5) will give a bit fatter look without too much profile height as does 120/90-18 with the rubbing issues.
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Ryk
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(Learned Hand)
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04/11/13 08:47 AM
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Re: fat front tyre
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Different tire manufacturers as to the same numbers, equal different actual physical dimensions. Measure Circumferences with a flat tape meas. and you will find this out for yourself.
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Re: fat front tyre
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No mods needed? It looks like you did quite a bit of cutting to that front mudguard. But maybe you just did that for other reasons,just curious.
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Ryk
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(Learned Hand)
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04/11/13 04:04 PM
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Re: fat front tyre
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Quote:
No mods needed? It looks like you did quite a bit of cutting to that front mudguard. But maybe you just did that for other reasons,just curious.
Who is the question directed at?
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Re: fat front tyre
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Brian T. as noted next to subject header in my post.
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Edwin
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(Adjunct)
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04/23/13 12:06 PM
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Re: fat front tyre
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Quote:
I have a 120/90 on mine, had to trim out the center of the fender mounting bracket
I like the tire tread! What brand is it? How well does it handle when the roads are wet?
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Ryk
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(Learned Hand)
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04/23/13 12:39 PM
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Re: fat front tyre
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Last I looked, Fast Eddy sells those tires, he sold me one a couple of years ago.
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