Tyre cracking

[Barney]

I've never really had any confidence in my front tyre, Dunlop K505f but moneys tight and can't afford a new tyre

Since the roads have dried up I've noticed these cracks appearing on the tyre and where it joins with the rims.

Is this serious and what causes it? I know its going to need a change, but how soon?

https://i32.photobucket.com/albums/d7/barney2006/Tyrecracking.jpg
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CG125|CB400SF|CBR600FX|Triumph Daytona T595|CBR929RR

[Jack_Cheese]

That's pretty serious. Smaller cracks are no problem, but they look huge, and your tread is low anyway. Get it changed as soon as you can. My front is cracked, but not to that extent.

Jack
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[mr.z]

They look knackered

Is it kept outside? i think the sun can do this to them maybe.. but more likely age and wear.. or maybe its been over/under inflated at some point?

My front tyre is about 7 years old (it had been not runing for a fair few years) and looks a hell of allot better than that!


Think of it this way, your tyres are the only thing in contact with the road, have one fail suddenly and you'll know about it
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>RidingSkills<->Tech Tips<->MyBikes<

[Barney]

Ok, bit of a wake up call that, its due a service so I'm sure they will mention the tyre condition. Its just funny how quickly the cracks appeared within a week.

Yeah it is kept outside mr.z usually with a cover though.

Cheers.
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CG125|CB400SF|CBR600FX|Triumph Daytona T595|CBR929RR

[Jack_Cheese]

If it's stood for a while, even out of the sun, the tyre will crack. It just loses its flexibility...

Jack
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www.bikepics.com/members/jackcheese <--- NOW FOR SALE! 51 Plate Cagiva Planet 125
Quacker_boy: "Jack, you really are a dick!"

[Wooly R6]

how longs the tyre been on - looks like a good two years or so!!! i would change it asap if it was my bike!!!!

better safe than sorry

ps - read the thread about having a blowout!!!!
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R6 has been sold - 2004 Honda VFR VTEC now sold too - no bike at the moment

[GearboxGeezer]

Id change them, even if it means not having cash to spend on other things. Id rather spend money which I havnt got on a tyre than spend money I havnt got repairing a smashed up bike due to having a blow out going round a courner...

[Barney]

[Barney]

Also does anyone have any experience with BT45s or BT92s? Which is the better one for long motorway milage and the occasional weekend blast.

Cheers.
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CG125|CB400SF|CBR600FX|Triumph Daytona T595|CBR929RR

[Redd]

Easist thing to do is remove the front wheel and take it along to a bike garage and have them fit it and balance it to the loose wheel. If you don't have another form of transport, you'll probably have to ride there and pay a bit extra for them to remove the wheel.

Make sure they've got the tyre you're after and don't just turn up. I had to order in the BT45s I fitted to my XJ600n which took a few days. Once fitted and scrubbed in they were so much better than my old squared off ones. Now the bike doesn't scare the shit out of me when I go over cats eyes too

Alternately, you could just buy the tyre and fit it yourself, but I wouldn't attempt that myself, I'd have to get some help...and we wouldn't be able to balance it either.

My BT45s were about £160 for the pair, but can't recall exactly what size. Something in the region of 110/70 17R for the rear if memory serves, so not huge tyres by any measure. That was fitted to loose wheels I brought with me in the car.
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Professional Uberslacker
2006 Kawasaki Z1000 - Black at the front, airbrushed fade to red at the back.
1998 Kawasaki KDX 200 Enduro project bike

[Barney]

Ok, thanks for that Redd. So its ok to remove the front wheel on the centre stand and balance it out after? *EDIT* thats confusing, I will need a paddock stand right?

I'll order the BT45 from mandp, its 110/70/17 for the front so it only costs about 60 pounds.
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CG125|CB400SF|CBR600FX|Triumph Daytona T595|CBR929RR

[Redd]

[Yeti]

I was running the same tyres up untill about 10 minutes ago. Just got in from fitting a set of D207's. But exactly the same things had happened to my set in the past week with all the good weather weve been having. Again i never trusted the tyre's they've got no grip at all, but they came fitted to the bike so i thought may aswell run them out as im not gonna be pushing the bike in winter. But as soon as i saw the cracking i ordered a new set and they were on within 3 days and i would advice you to do the same, but from the posts above that looks like what your gona do.

Regards Rob
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Lifes a Beach!

[colin1]

check your tyre pressure
low pressure puts more strain on the tyres, cracking them

i had this on a front tyre on an rs125
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colin1 is officially faster than god

[craigs23]

[bazza]

[Nath]

You should always ring around, *because*...

[craigs23]

[Barney]

Thanks for replies. What would I do without BCF?

I've gone for the 090 on the front. Cheers
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CG125|CB400SF|CBR600FX|Triumph Daytona T595|CBR929RR