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> BEZZA Tyre Upgrade, Recommendation/Review

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Zot
post Oct 4 2017, 08:39 AM

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QUOTE(raayeop @ Oct 3 2017, 07:18 PM)
this is new... You saying that 155/70r12 tyre has the same contact patch as 245/35R18 if the pressure is the same.... I must had slept during my form 4 physics class...
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QUOTE(BelaCHAN @ Oct 3 2017, 08:35 PM)
Lol, probably did the same thing as you bro, TOTALLY dozed off! =D
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Took some times but I found a good explanation. Like I said before the reason for better grip on wider tire are not because wider tire has more contact surface if the car weight and tire pressure are the same. Other factor contribute. the F1 car use wider tire for different reason too.

Hope this article explains it:

https://www.6speedonline.com/forums/996-tur...read-first.html
raayeop
post Oct 4 2017, 05:30 PM

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QUOTE(Zot @ Oct 4 2017, 08:39 AM)
Took some times but I found a good explanation. Like I said before the reason for better grip on wider tire are not because wider tire has more contact surface if the car weight and tire pressure are the same. Other factor contribute. the F1 car use wider tire for different reason too.

Hope this article explains it:

https://www.6speedonline.com/forums/996-tur...read-first.html
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This may be applicable if the tyre is a flexible thing like a balloon.. the contact patch is determined by the weight (force from outside) versus the pressure (force from inside)... Tyre by itself is a rigid structure... following that person calculation whereby the contact patch is determined by the pressure, then how do you explain the contact patch for the tyre when it is not installed? Is it zero inch? Doesn't it touch the ground?

Bring a piece of glass to a friendly tyre shop.. Ask them to give you two tyres.. One a 155 width and another 235 width (do not install them or put any pressure).. Then press the glass on top on the tyre with a fixed force (say 5kg weight).. and calculate the area of the tyres pressing against the glass.... Do let us know your finding....

This post has been edited by raayeop: Oct 4 2017, 05:31 PM
Zot
post Oct 4 2017, 05:36 PM

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QUOTE(raayeop @ Oct 4 2017, 05:30 PM)
This may be applicable if the tyre is a flexible thing like a balloon.. the contact patch is determined by the weight (force from outside) versus the pressure (force from inside)... Tyre by itself is a rigid structure... following that person calculation whereby the contact patch is determined by the pressure, then how do you explain the contact patch for the tyre when it is not installed? Is it zero inch? Doesn't it touch the ground?

Bring a piece of glass to a friendly tyre shop.. Ask them to give you two tyres.. One a 155 width and another 235 width (do not install them or put any pressure).. Then press the glass on top on the tyre with a fixed force (say 5kg weight).. and calculate the area of the tyres pressing against the glass.... Do let us know your finding....
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Like I said the car weight is same, constant. The tires are all same pressure regardless size. I can guarantee the contact surface area would be the same. You can ask any professor in Physics wink.gif

Pressure = Weight/Area. If Weight and Pressure are constants, the Area must also be constant. smile.gif
raayeop
post Oct 5 2017, 01:05 AM

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QUOTE(Zot @ Oct 4 2017, 05:36 PM)
Like I said the car weight is same, constant. The tires are all same pressure regardless size. I can guarantee the contact surface area would be the same. You can ask any professor in Physics  wink.gif

Pressure = Weight/Area. If Weight and Pressure are constants, the Area must also be constant.  smile.gif
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correct formula but incorrect application... But if that makes you happy, why not....
kurty
post Oct 5 2017, 09:26 AM

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QUOTE(spreeeee @ Oct 3 2017, 03:24 PM)
Original tyre is 175/65/14.

What you guys recommended for upgrade but still maintaining the fuel efficiency. Any opinion please?

If it is similar to AXIA, then we can follow this thread:

https://forum.lowyat.net/topic/3821265
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why dont you try 185/60/14?
i may be wrong, it seems 14' dont have much choices for 185/55.

hence profile of 60 is the best, comfort and good handling.
FC wise, definitely will reduce but not significantly.

I like bezza too and also feel, 175 is totally insufficient.
TSspreeeee
post Oct 5 2017, 09:30 AM

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QUOTE(kurty @ Oct 5 2017, 09:26 AM)
why dont you try 185/60/14?
i may be wrong, it seems 14' dont have much choices for 185/55.

hence profile of 60 is the best, comfort and good handling.
FC wise, definitely will reduce but not significantly.

I like bezza too and also feel, 175 is totally insufficient.
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that was my initial thoughts too, as the carexpert said bezza has no much diff than axia, and axia has been great with 185/60/r14
kurty
post Oct 5 2017, 09:55 AM

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QUOTE(spreeeee @ Oct 5 2017, 09:30 AM)
that was my initial thoughts too, as the carexpert said bezza has no much diff than axia, and axia has been great with 185/60/r14
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if so, then go for 185/60/14, at least no need to spend extra of rim upgrade.

do share with me what are the available choices for 185/60.
i just saw CC6 got this size available, you may consider to try this.

quiet and comfort.
TSspreeeee
post Oct 5 2017, 10:17 AM

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QUOTE(kurty @ Oct 5 2017, 09:55 AM)
if so, then go for 185/60/14, at least no need to spend extra of rim upgrade.

do share with me what are the available choices for 185/60.
i just saw CC6 got this size available, you may consider to try this.

quiet and comfort.
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wonder does tyre shop nowadays accept trade in.. lol
TSspreeeee
post Oct 5 2017, 10:24 AM

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btw.. what is default tyre brand/model for bezza?
LemonKnight
post Oct 5 2017, 10:43 AM

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QUOTE(spreeeee @ Oct 5 2017, 10:24 AM)
btw.. what is default tyre brand/model for bezza?
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Silverstone Kruizer or Brigestone ecopia ep150.
TSspreeeee
post Oct 5 2017, 10:56 AM

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QUOTE(LemonKnight @ Oct 5 2017, 10:43 AM)
Silverstone Kruizer or Brigestone ecopia ep150.
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silverstone for lower end bezza model?
bridgestone for higher end bezza model?

past buyers, what bezza model u get, and what tyre u get for that model? biggrin.gif
kurty
post Oct 6 2017, 08:32 AM

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QUOTE(spreeeee @ Oct 5 2017, 10:17 AM)
wonder does tyre shop nowadays accept trade in.. lol
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they still do, but be prepared, their offer price is very pathetic..
i rather you sell on your own
TSspreeeee
post Oct 6 2017, 08:47 AM

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QUOTE(kurty @ Oct 6 2017, 08:32 AM)
they still do, but be prepared, their offer price is very pathetic..
i rather you sell on your own
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like 50% price slashed from market price?
JustcallmeLarry
post Oct 11 2017, 03:45 PM

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QUOTE(sg999 @ Oct 3 2017, 08:38 PM)
195/50/15 michelin ps3
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Are you using this setup?? Does it really affect your fc??
TSspreeeee
post Oct 11 2017, 04:22 PM

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QUOTE(JustcallmeLarry @ Oct 11 2017, 03:45 PM)
Are you using this setup?? Does it really affect your fc??
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wanted to know also, can't imagine the fc if bezza on 15", also does it really fits?
6UE5T
post Oct 11 2017, 05:12 PM

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QUOTE(Ancient-XinG- @ Oct 3 2017, 10:02 PM)
remember

grip good = noisy

grip so so = quite

grip good = expensive

grip so so = cheap

long lasting = no grip
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Pretty good summary there! rclxms.gif

JustcallmeLarry
post Oct 11 2017, 10:02 PM

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QUOTE(spreeeee @ Oct 11 2017, 04:22 PM)
wanted to know also, can't imagine the fc if bezza on 15", also does it really fits?
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I just change my tyre setup to this setup. I am a car noobie i just saw nice rims so i fix it didn't know it would affect the FC? sweat.gif
TSspreeeee
post Oct 11 2017, 10:03 PM

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QUOTE(JustcallmeLarry @ Oct 11 2017, 10:02 PM)
I just change my tyre setup to this setup. I am a car noobie i just saw nice rims so i fix it didn't know it would affect the FC? sweat.gif
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The tyre shop didn’t give advice?
JustcallmeLarry
post Oct 11 2017, 10:06 PM

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QUOTE(spreeeee @ Oct 11 2017, 10:03 PM)
The tyre shop didn’t give advice?
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Nope, i only ask could it fit and they say ok. Just reading about it will effect FC now.. rclxub.gif
archonixm
post Oct 11 2017, 10:25 PM

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u mean if i have flat out all my tyres now, can get back to kuantan from KL with 1 litre petrol?



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