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The task... to develop an approriate successor for the Grand Prix 4000 S II, still leading in the performance tests. The goal was to improve and upgrade in rolling resistance, mileage, speed, as well as puncture protection. The focus in our work: you. It's your time that you spend on the bike. Be it in training, or in competition. Be it in rain or shine, chilly or warm. Be it to set your new personal record, or just for fun. It's your time.
The task... to develop an approriate successor for the Grand Prix 4000 S II, still leading in the performance tests. The goal was to improve and upgrade in rolling resistance, mileage, speed, as well as puncture protection. The focus in our work: you. It's your time that you spend on the bike. Be it in training, or in competition. Be it in rain or shine, chilly or warm. Be it to set your new personal record, or just for fun. It's your time.
€ 74,95