Old post but thought I'd post here since I've experienced the same humming sound on new Continental UC6 tyres fitted on the Nissan Almera. I've used Toyo CR1 before (new tyres) on Ford Focus and there's no humming issue at all.

I am not sure if the humming sound from the tyres is due to the tyre itself ie. swollen, hard rubber of the tyre, or something else that is contributing to the humming sound not related to tyres. When I experienced the humming sound from the new tyres (Continental UC6) on the new car, I brought it to the service centre to complain. The wheel bearing was checked and reported to be not the cause of the humming sound. Then, the vehicle was sent to the Continental tyre shop, arranged by the service centre representative. Several checks and test drives were carried out by the tyre shop which including checking the thickness of the rubber and balancing, swapping all 4 tyres around rear to front and front to rear etc. In the end it's a futile exercise as the humming sound is still there. In summary there is no solution so have to live with the humming sound before the tyres are all worn out and replaced to new tyres. Hopefully the humming sound will be gone after replacing the tyres to new tyres.

The humming sound only comes up at around 30km/h to 80 km/h, and only on bad or rough surface roads. On good condition road surface it's silent or very soft humming sound. The humming sound gets loud only when the vehicle travels on certain road surface where the bituminous surface is rougher or worn out.

Hi, any long term review on this CR1? I now using pirelli cinturato p7 which plans to get rid of it once it start wear.....225/50 r17 around how much per piece?

It is still a budget tire, but if your driving thru corners in high speed it is not good.
Felt few times the car like to sway in corners, normal road driving is ok.

Ok.
So for normal road driving is all right?
I not those kaki TTs session and etc.. just daily commute less than 20km per day. Yearly round trip maybe 1000km only.

Normal non demanding driving is good.

Ok sure. If above Proxes CR1 any option? Would like to stick back Toyo 

Ok sure. If above Proxes CR1 any option? Would like to stick back Toyo 

Regretted fitting Toyo Proxes into my cars. Within 3 years needed to change even when mileage was low. These tires are really for budget. Changed to continental UC7 and CC. Drives so much better. And yes, obviously you pay for the quality. Just that i dont think it is worth using cheap tires since the quality of the drive is improved by quite a lot with only maybe 30% more in price

I’m using the CR1 195/60R16 overall it’s quite good overall and never had any issue with the grip. Just on highway it may feel a little floaty when traveling at faster speeds. Would the Michellin primacy 4 fare any better?

Regretted fitting Toyo Proxes into my cars. Within 3 years needed to change even when mileage was low. These tires are really for budget. Changed to continental UC7 and CC. Drives so much better. And yes, obviously you pay for the quality. Just that i dont think it is worth using cheap tires since the quality of the drive is improved by quite a lot with only maybe 30% more in price

Your set of CR1 lasted you how many kilometers?

my cr1 225/50/18 lasted me 60k km (70%highway, 30%city)

CR1>Ecopia in many ways

CR1 is grippier, less noisy, and less rolling resistance. Used the tyre for a year now after changing from Ecopia.

Feels like CR1 is the best among all equivalent range of tyres

I had CR1 on my Alza as original equipment and after change to Hankook Eco2 I feel much better in both dry and wet grip. Only thing CR1 done better is the CR1 slightly quieter.

From my observation, CR1 fitted as OEM on new cars (alza, corolla cross) have different thread design than the ones selling outside. Not sure if that makes any difference in performance.

It is still a budget tire, but if your driving thru corners in high speed it is not good.
Felt few times the car like to sway in corners, normal road driving is ok.