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another tyre thread (?) BIMOTA DB2 tyre comparison
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welshlamb



Joined: 09 Mar 2011
Posts: 592
Location: South Wales , Nr. Abergavenny

PostPosted: Fri May 08, 2020 1:38 pm    Post subject: another tyre thread (?) BIMOTA DB2 tyre comparison Reply with quote

Further to the 'wheel weights' thread here is a start on an associated tyre comparison.

Below are a range of sport/touring and sports tyres suitable for DB2.
Front 120/70 ZR 17 M/C (58W)
Rear 180/55 ZR 17 M/C (73W)


Comments so far

1) Weights: I couldn't find this info anywhere even in manufacturers Tech Manuals. ( and I could only find that for Metzler so far!) I will try and find a support contact at each manufactureer and ask them.

Interestingly I did find a short thread on a Ducati forum which said that even for supposedly comparable tyres that there was a big difference between makes/variants and also that on-the-shelf weights varied from the specs and from each other (this sounds like a minefield!!)


2) Pricing: generally the newer sporty variants cost more and if you're prepared to have 5 year old variants then they can be a lot cheaper.. Of course the tyre is also older so depends on how/where stored I guess.

I was also wondering if at a time when I guess bike tyre sales are very low if there were any bargains on offer? All these prices came from Pneus Online website (I have found them giving consistently good deals in the past) Prices are given as Front, Rear and Total (sorry I can't get the figures to line up!)

The pricing that stood out was the Metzler M5 Sportec, which along with the Diablo Rosso II was the only sub £200 pairing.


3) Performance: All of these are probably vastly superior to OE fitments 'in the day' so on paper I'd be happy fitting any of them.

I'd be interested in comments from the forum members and of their experience of any of the featured tyres in an effort to choose something for my rebuild.




Bridgestone Battlax S22 (sport) £103.00 £132.00 £235.00
Battlax T31 (touring/sport) £95.00 £128.00 £223.00

Michelin Power 5 £102.00 £132.00 £234.00
Road 5 £104.00 £137.00 £241.00
Pilot road 4 £89.00 £131.00 £220.00

Pirelli Diablo Rosso III £106.00 £132.00 £238.00
Diablo Rosso II £86.00 £104.00 £190.00
Diablo Rosso Corsa II £116.00 £146.00 £262.00

Metzler Sportec M5 interact £74.00 £95.00 £169.00

Continental Sport attack 4 £114.00 £142.00 £256.00
Road attack 3 £113.00 £140.00 £253.00
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Bud977



Joined: 03 Mar 2013
Posts: 525
Location: Sydney

PostPosted: Fri May 08, 2020 9:28 pm    Post subject: Reply with quote

Unless you're doing track days, I reckon it makes little difference to what tyres you fit to your road bike. There are no shit tyres. Fit whatever is readily available and good value. Or ones you like the look of.

I have fresh slicks or SuperCorsas on my race bikes, but anything round and black will do on my road bikes.
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Bud977



Joined: 03 Mar 2013
Posts: 525
Location: Sydney

PostPosted: Fri May 08, 2020 9:36 pm    Post subject: Reply with quote

I just looked at what I recently fitted to my FZ1. Mitas Touring Force. lol. Never heard of them before. My tyre supplier said it was a good tyre, it was cheap and it does a fine job two-up in the windies near my house. I'd even do a track day on it.
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brian



Joined: 22 Aug 2011
Posts: 3769
Location: Australia

PostPosted: Fri May 08, 2020 11:23 pm    Post subject: Reply with quote

I tend to agree with Bud. For the kind of riding that the constabulary will allow you to do on the streets, pretty much any tyre will suffice. On my road bikes I tend to go for something that looks good Laughing. Sticky rubber is nice on the race track though.

In saying that, I think this will be an interesting thread if you do end up getting some tyre weights etc. I wouldn’t have thought there would be much difference in weight between similar size and similar construction tyres, but maybe there is?
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djk



Joined: 20 Sep 2011
Posts: 141
Location: New Zealand

PostPosted: Fri May 08, 2020 11:49 pm    Post subject: Reply with quote

I have done a lot of road riding and about 7 years racing on smaller cc bikes(RGV250's, RVF400 and a few SV650's) and no matter what riding i have done i always put the best tyres on that i can get. I may not get the best mileage out of them but i have confidence in them. When the contact patch on the road is credit card sized having confidence in the tyres means a lot to me. I used to use Pirelli/Metzeler depending what was on special but now am using Bridgestone more.

In saying this i also couriered in London for four years on various bikes(CX500, CB500, Bros 400 and a GT550) and these were nearly always hire bikes and the rubber that they put on was normally cheap and cheerful and i never had a crash due to the tyres that these bikes had and i wasn't a slow rider either.

So my two cents is put on whatever you feel comfortable with and that works for you.
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welshlamb



Joined: 09 Mar 2011
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Location: South Wales , Nr. Abergavenny

PostPosted: Sun May 10, 2020 10:40 pm    Post subject: Reply with quote

Have contacted Pirelli, will have to find the contact details or the others!
No hurry o this one.
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2bims



Joined: 03 Apr 2010
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PostPosted: Mon May 11, 2020 6:25 am    Post subject: Reply with quote

welshlamb wrote:
Have contacted Pirelli, will have to find the contact details or the others!
No hurry o this one.


Tried Pirellis....and I for one am not a fan.....despite every new Ducati coming fitted with them...but methinks thats brand snobbery and it being an Italian company

They tend to have a V profile....certainly on the front...and that doesnt suit my riding style....which is lame....On a DB2....the front tramlined and followed every lip or ridge in the road....even whitelines would deviate the front end...and I didn't like the cliff edge fall over when cornering...I prefer and indeed have Michelins on all my bikes....Metzelers I've tried and Bridgestones also and like....but hate Pirelli with a passion....just didn't give feel or feedback and the lightness and set-up of a DB2 I hated the deviation of the v profile.....especially when youre hanging over the front of a Db2 with all the weight on your wrists...I also dont think the Corse and supercorse tyres are designed for british weather and temperatures....35 degrees of heat around Bologna and Rimini maybe....But Bolton and Rivington? 10 degrees or 15? Not for me
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glened



Joined: 15 Aug 2013
Posts: 135
Location: Lancashire

PostPosted: Tue May 12, 2020 2:05 am    Post subject: Reply with quote

I would echo 2bims on this one, had Pireli Diablo's and I would no longer give them house room, as the name implies they are a "Devil" in the wet and cold, as there is not enough tread pattern to generate heat in the tyre.
I have now fitted Michelin road 5's and are very pleased with the performance both in the dry but especially in the wet. A couple of years ago we went to Spain for our biking holiday, stayed in Pamplona. We went for a ride into the Pyrenees and over to France and on the way back it rained! The bike was shod with Pirreli Diablo Super Corsa's, the back end had multiple slides and then the front end joined the party, to add insult to injury I then became the target for GS riders who where with us, the shame of it being hunted down by a GS!! After a short it stopped raining the roads dried up and temperature returned to the tyre and the GS was dealt with. The Pirelli tyre's were history after that.
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welshlamb



Joined: 09 Mar 2011
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Location: South Wales , Nr. Abergavenny

PostPosted: Tue May 12, 2020 8:32 pm    Post subject: Reply with quote

I have Michelin Road 5s on my Triumph Explorer (replacing the Pilot Road 4s previously fitted) and they inspire confidence thats for sure. Just waiting for weights back from Bridgestone and continental and then Ill post up the findings!
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vort28



Joined: 22 Mar 2010
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PostPosted: Tue May 12, 2020 8:49 pm    Post subject: Reply with quote

Seem to remember last year that Michelin were advertising their road 5's as the lightest tyre in the class , can't remember the weights though.
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welshlamb



Joined: 09 Mar 2011
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PostPosted: Wed May 13, 2020 2:05 pm    Post subject: Sneek preview? Reply with quote

Time will tell . Interestingly the front tyre weights for Michelin Power and Michelin Road 5 are the same but for the the rears the Power is a good half kilo less. A bit less mileage but not really the issue on most Bims! Still waiting for he laggards to respond.

BTW I sent the email enquiry to Metzler/Pirelli (effectively same sales and mktg staff as all part of same group and Pirelli bike tyres al produced in Germany)..... I got a reply with weights for 3 tyre types in 2 minutes. Fastest customer support response I’ve ever got!
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vort28



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PostPosted: Thu May 14, 2020 1:23 pm    Post subject: Re: Sneek preview? Reply with quote

welshlamb wrote:
. A bit less mileage but not really the issue on most Bims!


I tend to go for grip thn mileage , as you say most Bimota tyres will probably last a few years mileage anyway !! Very Happy
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Jaguar



Joined: 15 Sep 2017
Posts: 268
Location: Albany NY

PostPosted: Thu May 14, 2020 7:32 pm    Post subject: Reply with quote

I am also in the camp of "there really isnt much performance between them"

There is no way that I am pushing hard enough, or a good enough rider for the tires to be what is holding me back.

I went with Michelin Power RS for everything in the garage.
SB6R
Ducati 1000SS
Ducati Monster S4

The tire looks good, is cheapish, lasts for ever and performs well.
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welshlamb



Joined: 09 Mar 2011
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Location: South Wales , Nr. Abergavenny

PostPosted: Mon May 18, 2020 10:29 pm    Post subject: Reply with quote



Heres the data I can get as of now.

Continental didn't reply and the Bridgestone data I took from resellers adverts as Bridgestone UK seem to be absent as well.

Tyre weights are very similar across the board, with only the Power 5 combo getting in under 10kg.

Ineterestingly the Pilot 2 tyres I took off weighed 8.8kg so presumably about 1.5kg of rubber been left on roads somwhere.

Also a standard Oscam rear (5.5") with its tyre, cush and sprocket and brake disc weighs in about 15.5kg, with the wheel less cush drive weighing 7.2kg Going to a lightweight rear wheel would shave maybe 3kg from that (ie about (40% lighter than the Oscam) but the overall change in the rear rotating mass is 'only' down by about 20%. The tyre is clearly the biggest factor in the overall weight of a wheel assembly, although at the front the twin discs will also have a significant effect.

Depite that, the general consensus says that light wheels make handling quicker and also aid acceleration and braking due to a lower moment of inertia (maybe need a data logger to verify that!).

When I build my wheels back up I'll note all the individiual weights and see what the figures say. (as motorcycle tyres are hand made I am sure there are notable variances in 'actual' weights over a production run compared to the published specs?

Food for thought anyway.

And the Metzlers look a steal!!
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bimotanige



Joined: 12 Jul 2010
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PostPosted: Tue May 19, 2020 5:06 pm    Post subject: Re: Sneek preview? Reply with quote

Yes Bridgestones for me - footpegs and toe ends limit the cornering lean until they are "reduced" on all but my Vdue.

I tend to go for grip thn mileage , as you say most Bimota tyres will probably last a few years mileage anyway !! Very Happy[/quote] Very Happy
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