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why do motorbike tyres have suck little tread

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al-asqalani This post is not being displayed because it has a low rating (Redundant). Unhide this post / all posts.
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chris-red
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PostPosted: 13:23 - 10 Dec 2014    Post subject: Reply with quote
Yes you're right, I bow to your wisdom rather than the wisdom of tyre companies that have spent decades and billions developing bike tyres.








You fucking idiot.
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The Shaggy D.A.
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PostPosted: 13:32 - 10 Dec 2014    Post subject: Reply with quote
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Iain.
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PostPosted: 14:31 - 10 Dec 2014    Post subject: Reply with quote
Motocross knobblies have lots and lots and lots of tread, but they wear out very quickly on the road and the bike handles like shit.

Plz explain logic?
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sidewinder
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PostPosted: 14:59 - 10 Dec 2014    Post subject: Reply with quote
To deep of tread on a bike tyre would flex causing unstablebility...
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Tungtvann
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PostPosted: 15:13 - 10 Dec 2014    Post subject: Reply with quote
They banned slicks in racing because it would enable the vehicle to fall off the road entirely and fly.
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TallPaul_S
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PostPosted: 17:02 - 10 Dec 2014    Post subject: Reply with quote
Car tyres have a much larger contact patch when means they need more grooves to disperse water, or they'd aquaplane on a drop of water. They have a large flat cross section. Bike tyres are round in their cross section so only have a tiny contact patch and cut through the water.

You never hear of a road bicycle tyre aquaplaning, do you? They can hit 30mph and weight a fraction of a motorbikes weight and yet a road bicycle's tyres will have zero tread.
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Wonko The Sane
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PostPosted: 21:25 - 10 Dec 2014    Post subject: Reply with quote
TallPaul_S wrote:
Car tyres have a much larger contact patch when means they need more grooves to disperse water, or they'd aquaplane on a drop of water. They have a large flat cross section. Bike tyres are round in their cross section so only have a tiny contact patch and cut through the water.

You never hear of a road bicycle tyre aquaplaning, do you? They can hit 30mph and weight a fraction of a motorbikes weight and yet a road bicycle's tyres will have zero tread.


My road racing bike tyre is 2.8cm wide at it's widest point (don't forget it's curved)

it's completely slick, no tread whatsoever and it's the best grip I've had from a racing bike tyre, it's not possible to aquaplane as the contact patch is too small.
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Last edited by Wonko The Sane on 21:35 - 11 Dec 2014; edited 1 time in total
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ws4936
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PostPosted: 21:35 - 10 Dec 2014    Post subject: Reply with quote
QFFR:
https://i.share.pho.to/a12c08d5_o.jpeg

You are right....this thread does suck a little.
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wristjob
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PostPosted: 21:43 - 10 Dec 2014    Post subject: Re: why do motorbike tyres have suck little tread Reply with quote
al-asqalani wrote:
they need more tread

https://www.google.co.uk/search?q=motorcycle+tyres&safe=active&biw=877&bih=500&source=lnms&tbm=isch&sa=X&ei=aTmIVI7gG-mS7AaD5IDQBg&sqi=2&ved=0CAgQ_AUoAw#facrc=_&imgdii=_&imgrc=PAHaV2799It9IM%253A%3BPyLqTA_kNvbtfM%3Bhttp%253A%252F%252Fwww.bathwicktyres.co.uk%252Fimages%252Fmotorbike-tyres.png%3Bhttp%253A%252F%252Fwww.bathwicktyres.co.uk%252Fmotorbike-tyres.php%3B309%3B329

why do you persist with this crap?



against








https://www.google.co.uk/search?q=motorcycle+tyres&safe=active&biw=877&bih=500&source=lnms&tbm=isch&sa=X&ei=aTmIVI7gG-mS7AaD5IDQBg&sqi=2&ved=0CAgQ_AUoAw#safe=active&tbm=isch&q=car+tyres&facrc=_&imgdii=_&imgrc=p0CPjQ_MouOE4M%253A%3BQ4N2pfff7EYvvM%3Bhttp%253A%252F%252Fwww.earlsfield-servicestation.co.uk%252FImages%252FCar%252520Images%252Fcar-tyres.jpg%3Bhttp%253A%252F%252Fwww.earlsfield-servicestation.co.uk%252Fnew-car-tyres-london-sw18.htm%3B373%3B232
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Triton Thrasher
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PostPosted: 22:16 - 10 Dec 2014    Post subject: Re: why do motorbike tyres have such little tread Reply with quote
al-asqalani wrote:
meant 'such' rather than 'suck' in the title







.................................................................................................


I was gonna say, "suck little tread" is actually the best for roadholding.
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swampy
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PostPosted: 22:18 - 10 Dec 2014    Post subject: Reply with quote
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Wonko The Sane
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PostPosted: 21:36 - 11 Dec 2014    Post subject: Reply with quote
mpd72 wrote:
Wonko The Sane wrote:


My road racing bike tyre is 2.8cm wide at it's widest point (don't forget it's curved)

it's completely slick, no tread whatsoever and it's the best grip I've had from a racing bike tyre, it's not possible to aquaplane as the contact patch is too small.


Doesn't aquaplane you say? Slicks must be awesome in the wet. Smile
Makes me wonder why the worlds best motorcycle tyre experts cut such deep tread pattern in wet race tyres.


I apologise, posting from my phone and missed the decimal point out, 2.8 cm at it's widest point hence it won't aquaplane.

I've edited the original.
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Nobby the Bastard
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PostPosted: 22:30 - 11 Dec 2014    Post subject: Reply with quote
Wonko The Sane wrote:
2.8 cm at it's widest point hence it won't aquaplane.



Do you want to bet your life on that?
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Wonko The Sane
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PostPosted: 23:01 - 11 Dec 2014    Post subject: Reply with quote
Nobby the Bastard wrote:
Wonko The Sane wrote:
2.8 cm at it's widest point hence it won't aquaplane.



Do you want to bet your life on that?


Pretty confident on it, 2.8 at widest point, 120psi, contact patch is only about .8cm wide, used to ride around like a nutcase on it all the time as I couldn't afford motorised transport when at uni.
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Monkeypony
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PostPosted: 23:05 - 11 Dec 2014    Post subject: Reply with quote
A bicycle tyre will certainly aquaplane, but you'd need to be going around 60 mph to achieve it, so probably not an issue!
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Nobby the Bastard
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PostPosted: 23:06 - 11 Dec 2014    Post subject: Reply with quote
Wonko The Sane wrote:




Pretty confident on it, 2.8 at widest point, 120psi, contact patch is only about .8cm wide, used to ride around like a nutcase on it all the time as I couldn't afford motorised transport when at uni.


I'm not quite sure how to respond to that. I wouldn't ride a moped with a contact patch that small if it had been dry for three weeks, let alone being proud of that fact that it wouldn't aquaplane....
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smegballs
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PostPosted: 23:20 - 11 Dec 2014    Post subject: Reply with quote
Nobby the Bastard wrote:

I'm not quite sure how to respond to that. I wouldn't ride a moped with a contact patch that small if it had been dry for three weeks, let alone being proud of that fact that it wouldn't aquaplane....


Like my granddad used to say: It's not the size of your contact patch, its the friction coefficient of your rubber.


Protip: He never said.
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angryjonny
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PostPosted: 23:38 - 11 Dec 2014    Post subject: Reply with quote
The tyres on my bike are made entirely out of tread. 100% tread. That's why I ride so fast. And I can stick to the ceiling in a tunnel.
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thx1138
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PostPosted: 23:41 - 11 Dec 2014    Post subject: Reply with quote
_BlackSalami_ wrote:
Motocross knobblies have lots and lots and lots of tread, but they wear out very quickly on the road and the bike handles like shit.

Plz explain logic?


but it's so much fun, sliding about in the bus lane Thumbs Up Laughing
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Wonko The Sane
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PostPosted: 00:39 - 12 Dec 2014    Post subject: Reply with quote
Nobby the Bastard wrote:
Wonko The Sane wrote:




Pretty confident on it, 2.8 at widest point, 120psi, contact patch is only about .8cm wide, used to ride around like a nutcase on it all the time as I couldn't afford motorised transport when at uni.


I'm not quite sure how to respond to that. I wouldn't ride a moped with a contact patch that small if it had been dry for three weeks, let alone being proud of that fact that it wouldn't aquaplane....


You are aware I'm talking about a road racing bike as per tour de France, not moto gp aren't you?

Admittedly greasy roads could get twitchy but the only thing to have me off was a zebra crossing on the apex of a corner down a private road, had been painted with the same stuff as retail park car park lines and was wet. Still got the scar on my knee 7 years on. probably the only time I'll ever get my knee down - helped me get my leg over tho, met the wife.
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