Tyre damage - why?

[BMW_BeMyWings]

being parked up at your place might be safer for you long term ...

So you were born as an expert motorbike owner. Good for you

Cheers

Peter

[george formby]

The wear indicators in the tread may be small raised blocks in the groove. I'm struggling to see any in the photo, though.

Any hoo, onwards and upwards.

If nothing else it demonstrates how much load and heat a bike tyre generates. Particularly on a Bavarian behemoth.....

[caspernz]

https://youtu.be/QoIFaPFMmv4

Here's the basics as explained by Ari, good a place as any to expand your knowledge

[AllanB]

Reckon you answered your own question of how it happened.

Started as just on 'legal' and you went for a decent fat on the bike in the Summer heat on NZ 40 grit sandpaper roads.

Heat, power, road abrasion killed it quickly.

Alternatively you had something loose dragging on the right side of a worn tyre that churned it out.

When they pull the tyre for you ask to see it and place a single finger opposite each other one on the outside of the tyre one inside. You will be surprised how thin the carcass for a modern tyre is.

On the bright side nothing popped.

You know you should have changed it before that ride .......... the point where you are thinking ' just another 500 out of it, is the point you replace it.

And FFS don't be that person who now says 'I got 10,000 kms out of my rear brand XXX tyre....'

[russd7]

looks to be you are learning the KB way of some of the real experts on here who know everything.

as for your tire, I have never had one wear like that, so unable to answer that question but I do know that the last bit of tread seems to disappear real quick.
never rely on a warrant check to advise on when to change tire as most places that do bike warrants understand that tires are expensive and if a bike appears well looked after they let the rider decide, as long as the tire is legal.
every motorcycle tire I have used (which is more quite a few) have had wear limits in the tread.
never trust when a seller says "has good tires".

and as has already been stated, when ya look at a tire and say naaa I can get another 500km out of that, then ya probably wont even get 100 out of it before it is no longer legal.


I take all my wheels out and take em to town, remember bike shops charge by the hour to do tire fitments,

[iYRe]

As the man said, if you think it needs replacing "soon" - it needs replacing now. There is 2 tiny bits of rubber between you and the road. A tyre that worn wont corner well (the carcass is soft), it wont stop well, it wont give you confidence in times of trouble.. I guess its better to get some scrapes from KB nonces than to get them from the road.

[nzspokes]

To me that looks like a rock has got caught between the tyre and swingarm. Look for damage to the swingarm.

But that tyre has been toast for a while.

[OddDuck]

I've had similar (not as bad) on a marginal rear tyre and seen several tyres rapidly wear in the last phase of their life since. Once the rubber starts looking worn, it starts disappearing at a faster and faster rate. The price we pay for high performance tyres?

Understood about the difficulty of getting tyres changed but rubber is cheaper than crash repairs and insurance premium increases... stay sorted and keep riding!

[AllanB]

Viewing it again that tyre has weird wear for the bike (assuming it is the bike in your profile). I'd expect the centre to die first but that has been fair fanged on the sides as if you look at the top of the tyre in that image the profile is odd. From a limited look at the left side it is similar?

Too many donuts at rallies by the previous owner possibly

[FJRider]

So you were born as an expert motorbike owner. Good for you

Cheers

Peter

I know what a bald tire looks like ... so obviously know more than you ...

You're the fuckwit that doesn't/didn't know how to check tread depth properly on your own bike. The legal minimum tread depth is 1.5mm in all the ‘principal grooves’ around the entire circumference of the tyre. In the photo's you posted ... more than half of the "Principal Groves" are missing ...

Also ... check your insurance policy ... in some policies (on the high price range motorcycles) the bike must be legal. You may have the required labels and stickers ... but if it's not up to WOF standard it's not legal. At a roadside stop you would be issued a ticket and probably pink stickered for that.

Tires do not retain their original profile as they wear ... and depending on where the tire is worn ... how the distortion will vary.

Killing yourself on the road really wouldn't bother us that much ... but the cops doing the investigation into your crash would consider you a complete and total tosser for riding with a tire in that condition. And ACC would consider the levy attached to the license fee ... totally justified ....

https://www.rideforever.co.nz/workin...ur-bike/tyres/

[F5 Dave]

Jesus lighten up FJ . Are you an angry drunk? I scoffed when I saw the picture too but let the guy learn from a mistake, we've all made them rather than just being a dick to him so he won't come back.

[BMWST?]

i never ever wear a motorbike tyre to the max.The main reason is when tyres get old they get thin ,then you get punctures,and a pucture on a bike is a PITA.
And the second reason as others have pointed out in a less than polite manner is that a motorcycle (and you)absolutely depends on those two tyres.

[russd7]

I know what a bald tire looks like ... so obviously know more than you ...

You're the fuckwit that doesn't/didn't know how to check tread depth properly on your own bike. The legal minimum tread depth is 1.5mm in all the ‘principal grooves’ around the entire circumference of the tyre. In the photo's you posted ... more than half of the "Principal Groves" are missing ...

Also ... check your insurance policy ... in some policies (on the high price range motorcycles) the bike must be legal. You may have the required labels and stickers ... but if it's not up to WOF standard it's not legal. At a roadside stop you would be issued a ticket and probably pink stickered for that.

Tires do not retain their original profile as they wear ... and depending on where the tire is worn ... how the distortion will vary.

Killing yourself on the road really wouldn't bother us that much ... but the cops doing the investigation into your crash would consider you a complete and total tosser for riding with a tire in that condition. And ACC would consider the levy attached to the license fee ... totally justified ....

https://www.rideforever.co.nz/workin...ur-bike/tyres/

FJ you really seem to be suffering from some sort of neglect and coming on and roasting a new member for no reason does not help the site or the motorcycling community, now we were not all born experts like you obviously have been and some of us have learned from making mistakes and asking valid questions, now you may have seen wear like that on a regular basis over your 45 years of riding but I would hazard a guess that most of us haven't seen that type of wear on modern tires. instead of being a tosser, try offering some real advice or fuck off, your roasting is not helpful.

by the way, definition of expert,

X is the unknown factor
spurt is a drip under pressure
that to me makes an expert an unknown drip under pressure.

[fridayflash]

kiwibiker is home to a few cocksuckers sadly

[SaferRides]

Normally the only time you'll see shoulders worn out before the centre is on the track. Obviously the previous owner didn't leave the tyres in the best shape, but that's a good effort on a GS!

I check my tyres for wear and damage regularly, and now measure the pressure before heading out after getting a slow puncture from a small screw last year. That's about once a week for me. Tyres are just so important on a motorbike.

If you're mainly riding on roads, Michelin do an adventure version of the Pilot Road that should give much better wear and grip. A mate fitted one to the rear of the same bike as you have and really liked it.

Please stick around, not everyone here is a dick. You can setup KB to ignore members if you'd prefer not to see their contributions.