EuroBikeParts: Set of 2 Continental Grand Prix 4000 S II Tires GP 4000S 700 X 23 Road, Discontinued Unavailable, CONTI-GP4000sII
![1pcs Continental Grand Prix 4000s Ii Race Racing Bicycle Tire 700*23c/25c/28c Foldable Road Bike Tyre Ultralight Folding Bike - Bicycle Tires - AliExpress 1pcs Continental Grand Prix 4000s Ii Race Racing Bicycle Tire 700*23c/25c/28c Foldable Road Bike Tyre Ultralight Folding Bike - Bicycle Tires - AliExpress](https://ae01.alicdn.com/kf/HTB1SgMYXwFY.1VjSZFqq6ydbXXav/1pcs-Continental-Grand-Prix-4000S-II-Race-Racing-Bicycle-Tire-700-23c-25c-28c-Foldable-Road.jpg)
1pcs Continental Grand Prix 4000s Ii Race Racing Bicycle Tire 700*23c/25c/28c Foldable Road Bike Tyre Ultralight Folding Bike - Bicycle Tires - AliExpress
![Bought a set of 28c Continental Grand Prix 4000S II tyres exactly 1 year ago from Wiggle, they're already cracking. Is this normal, and how do I avoid this in the future? : Bought a set of 28c Continental Grand Prix 4000S II tyres exactly 1 year ago from Wiggle, they're already cracking. Is this normal, and how do I avoid this in the future? :](https://preview.redd.it/my6xmpzttsq41.jpg?auto=webp&s=c195cabb75a5d54281bb1839d9095ed71c3a74be)
Bought a set of 28c Continental Grand Prix 4000S II tyres exactly 1 year ago from Wiggle, they're already cracking. Is this normal, and how do I avoid this in the future? :
![Continental Grand Prix 4000 S Ii Folding Tire 700x23c Road Bike Tire+freeshipping - Bicycle Tires - AliExpress Continental Grand Prix 4000 S Ii Folding Tire 700x23c Road Bike Tire+freeshipping - Bicycle Tires - AliExpress](https://ae01.alicdn.com/kf/UTB8.3jxvE_4iuJk43Fqq6z.FpXap/Continental-Grand-Prix-4000-S-II-Folding-Tire-700x23c-Road-Bike-Tire.jpg)