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Discussion Starter · #1 ·
hey all

do you guys run a 190 or 180 rear?

In the manual it seems to state either

Just ive got a brand new set of avon viper extremes here waiting for me to kill the 208rrs on my ninja and i can either bang them on the tornado or give them to my mate when he takes the ninja

Pretty much decided im gonna stay here in the sunshine so super sticky tyres are always good :)
 

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You can find this discussion in proably every motorcycle forum. The idea is that you have a better handling due to the smaller 180 tyre. With the matching width of your rims, you will find this in real. Usually, it is supposed to use 180 tyres on a rim of 5.5" max.

As our Tornados have 6" rims, I tend to stay with the 190, as the 180 will have a too flat outline.
 

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I too have pondering this question!

Both the RS User Manual and Workshop manual both state that the RS tyre sizes should be 190/55.

A tyre that is fitted on a rim wider than recommended will have a flattened profile and a rider may easily reach the edge of the tread during cornering.
A tyre that is fitted on a rim narrower than recommended will have an altered profile, with a smaller contact patch and concentrating tyre wear in a very small area.

I have a set of CorsaIII spare but 180/55 rear.... I have been debating whether to try this, or sell it and get a 190/55.... also wondering about hugger/chain clearance. Less than pencil width between chain and tyre edge at present.
 

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I ran a 190 on my last Tre and stuck a set of 2ct's on there. Never had any trouble with the tyre hitting the chain at all;)

Al;)
 

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See this is what has thrown me , for a second i thought i was going mental

The RS downloaded manual states 190/55 17

However http://www.benelli.co.uk/_bikes/tornado_903RS/tornado_903RS.php

states both as options.
I have noticed this too... but I would be inclined to believe the workshop manual rather than some sales web page.

I have D208 190/50 on at the moment... but thinking ahead to track day booked in October. For the road I am quite happy with behign handling as just bimble mostly... so not looking for edge grip / quick turning. On track different matter... although my level of riding I prob woudlnt be able to tell anyhow... but mentally would feel better knowing I have the manufacturer rec tyre size onboard.
 

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Similar threads have run on here a number of times, so if you do a forum search they will be more detailed.
It's an old argument with the Tre i.e. 180 vs 190 rear. The LE's 180 rear is often brought into the argument but it's not valid as the LE runs a smaller rear wheel.
On my last Tre, I happily used the 190 section 207RR's it came with and upon change got a pair of 190 section Pirelli Diablo's. No chain issues. The bike handled beautifully, certainly excellent for road riding, just didn't last long LOL.
 

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Discussion Starter · #9 ·
so theres no difference between the OZ wheels and the Marsechini wheels then?
 

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I am now on my 2nd 190/55 Conti Sport Attack and really like what it has done to the handling and the fact it leans over better on the side stand.:clap: :)
 

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I run 190 bt 016's and although only done a few hundred miles I rate them much better than dunlop 207's it came with....much better front end feeling, and more stable rear - mind you the rears were fried after a few track days and it is the end of tyres life I remember and seem to forget the start:doh: :doh:
 

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190/50 or 180/55 are (73w) a 190/55 is a (75w) so the manual is not correct there is no such thing as a 190/55 73w
True... but they get it right in the standard Tre owners manual... see attached.
But still says 190/55 rather than 190/50. So it seems the manufacturer recommended tyre is 190/55.

I would be fairly annoyed if I had picked up my brand new Honda from a Honda dealer and it didnt have the tyre size as specified in the user manual.
 

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Hey fellows. Have just fitted a set of Pirelli Diablo Supercorsa BSB's with a 180 rear, which have replaced the Bridgestone 016's with a 190. First ride i could not believe the difference. The bike seems to handle with so much more purpose. Decided to change to a 180 after a friend, who used to road race to a fairly high standard, suggested a 180 would make the bike handle better on the road. Who knows!
 

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arrrrrhhhhhhh!,:rolling: if you buy a new TRE or RS it will have a 73w 190/50 tyre fitted. If you want to try a 190/55 (75w) please do, but I have tried one and it was not good for me, my personal opinion is that it may be good on a race track, but worse for the road.
PS a 190/55 is a (75w) tyre.
colin..
 

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Colin, what is the difference between a (73W) & a (75W) ? Is it just an increase in load rating?

I've tried all 3 sizes - all Pirelli Corsa III's
As far as turn-in goes, the 180/55 was quickest, followed by the 190/55, with the 190/50 being the slowest. (The forks are on the 3rd ring, so Nell already steers quicker than standard)
In future, I won't be using a /50, unless I can't get either of the /55's.

The speedo is most accurate with the 190/55, which seems to be the design reference tyre.
 

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A 73w is a 190/50 or a 180/55, a 75w is a 200/50 or a 190/55. I belive is it a tyre type reference.(ie suitable for certain applications)
colin.
 

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190/55 is the tyre to go for IMO for the 6" rim. This has been discussed to death on previous threads but I believe the tornado WAS meant to have a 190/55 (LE excluded which got what it was designed for) but Benelli ditched them in favour of cheaper 190/50 Dunlops
 

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Colin, what is the difference between a (73W) & a (75W) ? Is it just an increase in load rating?
Yes Errol, this w-number shows the load rating. The higher the W-number, the higher the possible load. On some big tourers, you will find the necessity to wear tyres with higher load rating.

Lastindex Kg Lastindex Kg Lastindex Kg Lastindex Kg
19 77,5 41 145 63 272 85 515
20 80 42 150 64 280 86 530
21 82,5 43 155 65 290 87 545
22 85 44 160 66 300 88 560
23 87,5 45 165 67 307 89 580
24 90 46 170 68 315 90 600
25 92,5 47 175 69 325 91 615
26 95 48 180 70 335 92 630
27 97,5 49 185 71 345 93 650
28 100 50 190 72 355 94 670
29 103 51 195 73 365 95 690
30 106 52 200 74 375 96 710
31 109 53 206 75 387 97 730
32 112 54 212 76 400 98 750
33 115 55 218 77 412 99 775
34 118 56 224 78 425 100 800
35 121 57 230 79 437
36 125 58 236 80 450
37 128 59 243 81 462
38 132 60 250 82 475
39 136 61 257 83 487
40 140 62 265 84 500

Lastindex: load rating, measures in kilogramm

Source: Conti tyres, germany
 
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