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Guest
Il primo test che ho trovato on line sulle nuovissime ksyrium ES, che a quanto dicono peseranno 1410 gr... :-)
http://www.roadcyclinguk.com/news/article/mps/UAN/726/v/1/sp/
http://www.roadcyclinguk.com/news/article/mps/UAN/726/v/1/sp/