![Habersham Bicycles - ISS4492 Continental Grand Prix 4000S II Tire - 700 x 28, Clincher, Folding, Black/Reflective, 330tpi Habersham Bicycles - ISS4492 Continental Grand Prix 4000S II Tire - 700 x 28, Clincher, Folding, Black/Reflective, 330tpi](https://habershambicycles.com/images/product/large/ae00-3583.jpg)
Habersham Bicycles - ISS4492 Continental Grand Prix 4000S II Tire - 700 x 28, Clincher, Folding, Black/Reflective, 330tpi
![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?width=640&crop=smart&auto=webp&s=d07053f183687fe5f700b2c726780866a3d6d10c)
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? :
![Amazon.com : Continental GP 4000S II Bike Tire, Black, 28-Inch x 22mm : Bike Tires : Sports & Outdoors Amazon.com : Continental GP 4000S II Bike Tire, Black, 28-Inch x 22mm : Bike Tires : Sports & Outdoors](https://m.media-amazon.com/images/I/61U42j2P9HL._AC_UF1000,1000_QL80_.jpg)
Amazon.com : Continental GP 4000S II Bike Tire, Black, 28-Inch x 22mm : Bike Tires : Sports & Outdoors
![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/UTB8mqbIvyaMiuJk43PTq6ySmXXaA.jpg)
Continental Grand Prix 4000 S Ii Folding Tire 700x23c Road Bike Tire+freeshipping - Bicycle Tires - AliExpress
![Continental Grand Prix 4000s Tires Clincher user reviews : 4.1 out of 5 - 102 reviews - roadbikereview.com Continental Grand Prix 4000s Tires Clincher user reviews : 4.1 out of 5 - 102 reviews - roadbikereview.com](https://content.roadbikereview.com/channels/roadbikereview/images/products/large/product_411202_29676.jpg)