Bridgestone mixing compunds 020/021

[DereksBluebird]

Bridgestone mixing compounds 020/021

Apologies if I'm going over old ground.
Bike shod with Bridgestone 020's, took wheel to local for replacement "Rear". On collection find they've fitted an 021, looks nice! Rather than wait 4 more days for them to source an 020 I decided to keep it (now back on bike but not tested). I remember (maybe Jaws) telling me not to mix. Bridgestone state that they've not done adequate testing on mixing them on individual machines.
Has anyone here experienced an 021 rear and an 020 front?

All you smug AVON shod riders need not reply...

Cheers
Derek

 

[Dave G]

Hi

I have a 020 on the front, when the rear 020 wore out i wanted the 021. But was told by the tyre shop you cant mix them.

 

[R2B2]

I've heard something along these lines but can't for the life of me remember which models is was, but fairly certain it was regarding BT's.

Best check it out before you go anywhere I'd say, that way your tyre man can't really argue about changing it, should you have to do that.

 

[Punchy]

I used to run 010 front 020 rear on my Cat and Ace without problems.

:dunno:
.

 

[DereksBluebird]

The other interesting thing with the 021 is, there's NO specific letter ("L" on the rear 020, BB specific).
I can see why on some bikes you'd prefer a softer compound on front to get more feel.

I'm sure there's a BB rider out there that's done it (hopefully not binned it!).
I can also see me changing the front for an 021 to test the 2 together, still have a few thou left to scrub off though.
Cheers
Derek

 

[Dave.ett]

My brother has just ridden 2000 miles (France and Spain) on a 20 front and 21 rear. Behaved perfectly.

As did mine, with a 20 on the front and 14 on the rear! I was amazed at how little tread has worn from the rear considering it's meant to be a sports tyre...

The 21 is the 20 replacement so I'm sure Bridgestone will have tsted them together - they couldn't afford the law suits if people kept getting chucked off!c7u8

 

[DereksBluebird]

w;;v
Cheers Dave,
That's encouraging..well apart from the fact that France is a tad warmer than Scotland and the roads in France are superbly tarmac'd.

Appreciate your response.

Cheers
Derek

 

[silverfox.xx]

I use to run Dunlop K70's front and Avon Roardrunners rears on my Trumpet in 1978... but I would'nt mix modern tyres..

You might be ok with a 020/021... would I risk it. Nope.

 

[Dave.ett]

That's encouraging..well apart from the fact that France is a tad warmer than Scotland and the roads in France are superbly tarmac'd.

It was clucking cold up in the Alps! And some of the roads in the pyranees were appaling to be fair. I was surprised how bad some French roads have become.:xm

 

[Ben_]

Okey dokey then, here we go:

Right, "if it's black and round it'll be fine", a paraphrase of Guy Martin.

If John McGuiness can win a TT on a mix of manufacturers (let alone compounds) what does it matter?

Mixing tyres has no detrimental effect as regards safety or crashing etc.

I had a Dunlop Qualifier on my front and a Pirelli Dragon Super Corsa thingy on the back. Effects? Back felt harsher and so I guess has a stiffer sidewall.

The advice I was given came from Selwyn Griffiths (Manx GP winner and father of Jason Griffiths) was don't even think about it. If you think there's a problem, you'll make it a problem.

He fitted the Pirelli whilst I waited for new Qualifier RRs and did a track day with Dunlop fr, Pirelli rear.

So, listen all you want to all the advice and make your own mind up but next time buy a Michelin Pilot Road 2:bang:

I've done 2700 miles on these BT-021s and can not wait until I've worn them out to put the Michelins on.

What don't I like about them? They try and stand the bike up mid corner and it ain't me on the bars I can assure you:xm

 

[Dave.ett]

What don't I like about them? They try and stand the bike up mid corner

Ah, so it's not just me then?

 

[Ben_]

Ah, so it's not just me then?

Seems notg0551p

The one thing the Road 2 will do is the total opposite; hold the lean angle for you:-:

 

[DereksBluebird]

Very interesting feedback, thanks guys.
Only 30 miles on the rear and damp roads so unlikely to test the sidewalls for a couple of days!
Difficult therefore to make any snap judgements as just having a new tyre makes it feel like a new bike again (well that and the new chain & Sprockets).

Maybe if money was no object I'd go for the nice SOFT compound Michelins.

No nasty surprises though now I'm gonna be expecting the "Sit up in a corner" scenario that you mention....would that not be more prevalent from the Front tyre though (assuming 021)?

Cheers all
Derek

 

[Ben_]

The Pilot Road 2 is not a soft compound in the middle at all.

I had 3500 miles out of a rear on the 929RR

 

[stan the man]

pilot road 2's are a fantastic tyre IMHO...did anglesey circuit last friday,and had no moments whatsoever..done 1400 miles on them now,and no visible sign of wear or squaring off.. :bow: :yo: :bow: :yo: i also think it's what michelin have given vale to use in GP's........
























h1d1ng2 p0pc0rn41

 

[cougarboy]

pilot road 2's are a fantastic tyre IMHO

But Michelin still don't recommend them as fitment to a Blackbird, and I've yet to understand why given all the good press they're getting around here and other forums.

 

[stan the man]

But Michelin still don't recommend them as fitment to a Blackbird, and I've yet to understand why given all the good press they're getting around here and other forums.

i don't have them on a blackbird though having said that..my tyre fitter didn't recommend me having them on my gixer as the profile was different to a sports tyre :dunno: but having done 1400 miles on them,i disagree with him.a few of my mates have them on blackbirds and swear by them :dunno: and they don't hang around R#?

 

[Para045]

Here in Aus fitting a Pilot Power front and a Pilot Road rear has been quite common for a while and my last set were just that, I got ~14000km out of the PP front and ~10000km out of the PR rear .

I currently have Shinko 005's f&r cause they were ~$100 a set cheaper and I was a bit short of cash 6 months ago brok3 but will be trying the PR2 on the rear soon as the Shinko rear has only lasted ~6500km :xm and is nowhere as good a tyre :bang: There are a few guys with BB's that run PP's f&r but they tend to wear out the rear much too quick particularly when "slabbing" it and have gone to the PR2 on the rear and love it :bow:

 

[Ben_]

Perhaps the Pilot Road 2 is not rated at the silly top speeds the Blackbird is capable of:dunno:

Hence the reason they can't officially recommend them?

Just a thoughtp0pc0rn41

 

[blumeeni]

HPX is what michelin rec for the bird they rate them as extream speed tyre.
I had a set and thought thet were shit.

I'll stick to the road 2's for now they do feel very good