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 4 Season 700C Folding Duraskin Road Tyre | Evans Cycles
Continental Grand Prix 4 Season 25 Rolling Resistance Review
Continental Grand Prix 4 Season DuraSkin Vectran 700c Road Tyre | Tredz Bikes
Continental Grand Prix 4000 Racerdæk 4-Season » Universal Size: 700 x 32C
Amazon.com : Continental Grand Prix 4 Season Road Clincher, 700 x 28-Inch, Black : Sports & Outdoors
Continental Grand Prix 4000S II Clincher Tyre Twin Pack | ProBikeKit HK
Continental Grand Prix 4-Season 32 mm review - Mantel
Conti GP 4 Season Tyres: First Impressions – Tempo Cyclist – Tasmania
Review: Continental Grand Prix 4 Season tyres | road.cc
Continental Grand Prix 4 Season 2015 25 Rolling Resistance Review
Continental Grand Prix 4-Season Road Tire at BikeTiresDirect
The best road bike tire money can buy – 6 models in Comparison | Page 4 of 7 | GRAN FONDO Cycling Magazine
Reviewed: Continental Grand Prix 4-Season 28mm - Velo
Continental Grand Prix 4-Season 32mm - Fotos, Test & News
Continental Grand Prix 4 Season Tyres Review — AATR
Hands On Bike: Avanti Inc 3: Continental Grand Prix 4 Season Tires
Hands On Bike: Avanti Inc 3: Continental Grand Prix 4 Season Tires
Continental Grand Prix 4-Season Black Edition Road Tire Excel Sports | Shop Online From Boulder Colorado
Continental Grand Prix 4-Season 32 mm review - Mantel
Continental Grand Prix 4 Season 28" Folding Tyre - bike-components
Continental Grand Prix 4-Season 32 mm review - Mantel
Continental Grand Prix 4-Season Road Tire 2-Pack Excel Sports | Shop Online From Boulder Colorado
Continental Grand Prix 4 Season Review - TreadBikely
