![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/W/IMAGERENDERING_521856-T1/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 GP4000 rot 23mm in Nürnberg (Mittelfr) - Gebersdorf | Fahrrad Zubehör gebraucht kaufen | eBay Kleinanzeigen
Continental Grand Prix GP4000 rot 23mm in Nürnberg (Mittelfr) - Gebersdorf | Fahrrad Zubehör gebraucht kaufen | eBay Kleinanzeigen
![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? :
Rennrad Mäntel Rot Reifen vintage Continental grand Prix 4000 in Nordrhein-Westfalen - Neuss | Fahrrad Zubehör gebraucht kaufen | eBay Kleinanzeigen
![Normal amount of dry rot fro 1 year old tires? Continental GP5000 TL riden about ~1000 miles : r/bikewrench Normal amount of dry rot fro 1 year old tires? Continental GP5000 TL riden about ~1000 miles : r/bikewrench](https://preview.redd.it/normal-amount-of-dry-rot-fro-1-year-old-tires-continental-v0-q6u3qgnujlja1.jpg?width=640&crop=smart&auto=webp&s=406fb83b6e09adbc67e083b0213d41b159def125)