11-21-2022, 10:34 PM | #16 |
Join Date: Sep 2019
Posts: 69
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Oh absolutely you can ride 21/18(17) anywhere that a 19 front would but cornering is a bit worse on a 21 compared to 19 is all. I just preferred the 19 over 21 because I planned on mostly being on the street and rarely going offroad is all. I'm not opposed to a 21 front at all and have ridden many bikes with them. It mostly just comes down to rider preference I think. |
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11-21-2022, 11:01 PM | #17 | |
Join Date: Dec 2016
Location: Argentina
Posts: 756
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Quote:
One is worthless at on road and the other is worthless at off road, which ain't case. |
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11-22-2022, 09:58 AM | #18 | |
Join Date: Nov 2022
Location: Wyoming
Posts: 90
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turning vs. wheelbase
Quote:
I imagine that squirmy dirt knobbies don't exactly enhance straight-line stability, too? |
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11-22-2022, 10:07 AM | #19 | |
Join Date: Nov 2022
Location: Wyoming
Posts: 90
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Quote:
I'm trying to understand manufacturer design choices. For instance, I'm thinking about why KTM, which seems to have a pretty good off-road reputation, chose 19" fronts for their 390 'Adventurer'? |
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11-22-2022, 10:14 AM | #20 | |
Join Date: Nov 2022
Location: Wyoming
Posts: 90
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Quote:
Are most knobbies non-DoT approved for street use? |
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11-22-2022, 10:19 AM | #21 | |
Join Date: Nov 2022
Location: Wyoming
Posts: 90
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Quote:
Lessons WELL taken ... credible supporting example, too; thanks Megadan. |
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11-22-2022, 10:58 AM | #22 | |
Join Date: Dec 2016
Location: Argentina
Posts: 756
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Quote:
Because the KTM 390 adventure stills holds some of spirit of the Duke 390. So the 19/17 is a perfect choice for that motorcycle. Let's stay with KTM, take a look at the KTM 790 Adventure, they use a 21/18 size. Also the rims uses spokes, while the 390 adventure has an alloy wheel. I have a friend that has one and he wants to sell it and get something else that's more true to an adventure bike. Not because of the tires but because even the transmission is geared like a street bike and he is looking something that's more off road than on road. Down the road you are not going to find the "THIS IS THE BEST COMBO!!" That's why mfg like BMW will give you the options. Do you want to use rims with spokes or alloy wheels Do you want this type of tires or this types. It goes down to preference. There is no wrong or right answers just different style of riding and taste. Just some folks looking for excuses so they can't "ohh no i can't ride because i have this motorcycle". This little Duke 200 with 50.000 km and a tire set of 17/17 has seen more adventure than many true to god adventure motorcycles Of course with a bigger engine and better tires he could go faster but if there is a will.... If you are not sure about what kind of wheels you want, try both setups and see which one do you like more. |
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11-22-2022, 12:43 PM | #23 |
Join Date: Nov 2022
Location: Wyoming
Posts: 90
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What a (boat) ride !!! That Duke goes like a tractor. The first thing I noticed was that he was running street, rather than dirt/knobby, tires! Is the 'lesson' that you can "run what ya brung" ... as long as you slow down enough? <G>
Thanks, Wild Dog - for the encouragement. I haven't bought anything, yet; I'm spending the Winter researching. All I want to do is explore (scenery) ... on or off-road (mild off-road - not whoop over single-tracks or through mud or beach sand). |
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11-22-2022, 01:54 PM | #24 |
Join Date: Oct 2021
Location: odessa MO; donna TX
Posts: 152
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The DOT designation means they are approved for street use.
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11-22-2022, 02:33 PM | #25 | |
Join Date: Apr 2017
Location: Omaha, NE
Posts: 8,100
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Quote:
Compared to a Supersport both bikes are a bit big and slow to turn in. but compared to the rest of the bike market they are agile corner carvers. What they both really are is high speed highway missiles. My VFR1200 is dead stable at over 100mph even with the luggage on. Some of that is the chassis setup. and some of it is the aerodynamics of the bike itself.
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