Tires

[Garyzac]

Thinking of changing my rear tire on 07 Big Dog Mastiff from 300 to 240....Any comments ?
Thanks Gary from OZ

 

[BWG56]

Why 240 and not a 280? Availability? I would stay with the 300 personally

 

[Unsprung]

Why? Big difference in width will require some engineering and one off parts. Few questions will be belt alignment, spacers, and gaps left in swing arm area? Buy an HD Breakout... already done for you. If you do get it done, post up some pics.

 

[Mike manson]

I agree keep the 300 and buy a bike a different bike with the tire size you want already done


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[Th3InfamousI]

A 240?

All Looks aside I think your rim would be too big to hold that tire correctly. The 250mm choppers have about an 8.5 inch rim the 300 is 10.5. Going down 60mm is about 2.4 inches! I wouldn't go below 280 with that rim and that might be pushing it.

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[BWG56]

Where is he from?

Australia, it says it in his Avatar

 

[Garyzac]

Why 240 and not a 280? Availability? I would stay with the 300 personally

Thanks. Lots of roundabouts in Australia which i dont think USA has. For me getting the bike around them with 300 rear is a problem

 

[Garyzac]

Why? Big difference in width will require some engineering and one off parts. Few questions will be belt alignment, spacers, and gaps left in swing arm area? Buy an HD Breakout... already done for you. If you do get it done, post up some pics.

Thanks. Haven't got that sort of money now to buy Breakout. Harleys in Australia are near double the price compare to USA,another rip off

 

[Garyzac]

A 240?

All Looks aside I think your rim would be too big to hold that tire correctly. The 250mm choppers have about an 8.5 inch rim the 300 is 10.5. Going down 60mm is about 2.4 inches! I wouldn't go below 280 with that rim and that might be pushing it.

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Thanks ill consider that, it makes sense

 

[Garyzac]

Thanks ill consider that, it makes sense

Why i said the 240, is i spoke to BIG Dog in Kansas, they said a 240 would fit & you hardly notice the difference. But to make sure i wanted to ask some of you guys your opinion

 

[Th3InfamousI]

Why i said the 240, is i spoke to BIG Dog in Kansas, they said a 240 would fit & you hardly notice the difference. But to make sure i wanted to ask some of you guys your opinion

I'd see them saying that for a 250 mastiff but not a 300 mastiff.

If my memory is right the 300 mastiff came around in 2006 prior to that it was a 250, so maybe there was some confusion or someone misspoke. Cause I can't imagine BigDog would say you wouldn't notice the difference between a 300 and 240! That's huge!

The difference between a 250 and 240 on the other hand, that would be correct you wouldn't even notice and lots of guys have ran that.

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[Nཛ͢ཀཇཧ༏ཧי]

I’m currently running a 280 Metzler on my K9. You can see a slight difference between a 280 & 300, but I thing 240 would be a big mistake.

 

[mjsk9]

Thanks. Lots of roundabouts in Australia which i dont think USA has. For me getting the bike around them with 300 rear is a problem

Hi Gary.... I also deal with and love maneuvering the roundabouts on my 300 rear tire K9! I live in Carmel IN which has become internationally known for its roundabout network. Since the late 1990’s Carmel has been building and replacing signalized intersections with roundabouts. Carmel had 100 in January 2017 and I believe 20 have been added since, more than any other city in the United States. Quite a few for a city of only 91,065 residents. Our mayor is very progressive and has done a phenomenal job of putting Carmel on the map. Four days ago it was announced in a 2018 ranking of the best places to live, Carmel took the top spot again. Compiled by the data company Niche, the rating "takes into account several key factors of a location, including the quality of local schools, crime rates, housing trends, employment statistics, and access to amenities in an attempt to measure the overall quality of an area." CNN Money magazine dubbed Carmel the best place to live in America back in 2012, but that ranking was specifically focused on cities ranging from 50,000 to 300,000 in population.

 

[Garyzac]

I'd see them saying that for a 250 mastiff but not a 300 mastiff.

If my memory is right the 300 mastiff came around in 2006 prior to that it was a 250, so maybe there was some confusion or someone misspoke. Cause I can't imagine BigDog would say you wouldn't notice the difference between a 300 and 240! That's huge!

The difference between a 250 and 240 on the other hand, that would be correct you wouldn't even notice and lots of guys have ran that.

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Yep you could be right. Sent another email off to Big Dog explaining a different way.....Thanks for reply to all

 

[francoblay1]

Thanks. Lots of roundabouts in Australia which i dont think USA has. For me getting the bike around them with 300 rear is a problem

You do NOT have that many... you should see Spain! what you need to do is ride more often that K9 and you will get good at it!!! I have no problem whatsoever in tackling tight roundabouts... but, yes I do remember how I was sweeting it in the first month of having the bike!!!

 

[Garyzac]

You do NOT have that many... you should see Spain! what you need to do is ride more often that K9 and you will get good at it!!! I have no problem whatsoever in tackling tight roundabouts... but, yes I do remember how I was sweeting it in the first month of having the bike!!!

Yep sweeting is right. hate to come off it damaging myself & bike

 

[JeffM]

Bud i have had the Dog since 2011, yes it was a big surprise on my first round-a-bout, with the 300 rear and to get the bike ARD approved they negative raked it 7.5 inches, it was like riding a pogo stick, and did handle at all>
I thought this is f__ked, but once it put it back to Stock i ride around guys on the twisty stuff.
Besides, if you go to a narrower hoop you will have to change the rear guard to suit or it will look weird, this will also mean modifing the struts ................... phuq that. Just ride and enjoy you will get used to it.

 

[pauldeepsea]

You know your getting into when your kickstand or pipes drag, yes that’s on my 300 tire. I don’t feel Much of a difference between my 250 and my 300 .

 

[Garyzac]

I'd see them saying that for a 250 mastiff but not a 300 mastiff.

If my memory is right the 300 mastiff came around in 2006 prior to that it was a 250, so maybe there was some confusion or someone misspoke. Cause I can't imagine BigDog would say you wouldn't notice the difference between a 300 and 240! That's huge!

The difference between a 250 and 240 on the other hand, that would be correct you wouldn't even notice and lots of guys have ran that.

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Your right. Big Dog misunderstood me in year model

 

[Garyzac]

Bud i have had the Dog since 2011, yes it was a big surprise on my first round-a-bout, with the 300 rear and to get the bike ARD approved they negative raked it 7.5 inches, it was like riding a pogo stick, and did handle at all>
I thought this is f__ked, but once it put it back to Stock i ride around guys on the twisty stuff.
Besides, if you go to a narrower hoop you will have to change the rear guard to suit or it will look weird, this will also mean modifing the struts ................... phuq that. Just ride and enjoy you will get used to it.

. I see your in Australia too......Anyway something i got to get use to. I just got the updated electrical harness sent out for Big Dog USA & have put a new 300 tyre on it. I put it on Bikesales for sale, but don't care if i sell it or not