Speed skating great Claudia Pechstein and bobsledder Francesco Friedrich will carry the Germany flag at the opening ceremony of the Beijing Olympic Winter Games on Friday, the DOSB confederation has said. The pair will be the first flag-bearing duo at a Winter Games after the practice was introduced at the delayed Tokyo 2020 last summer. Pechstein, 49, is Germany’s record Olympian attending her eighth Games with five gold medals, along with two silver and two bronze, from previous editions. Friedrich, 31, took double gold at Pyeongchang 2018 in both the two and four-man bobs and also has a str…