Source: Flatmattersonline URL of the article: http://www.flatmattersonline.com/%d0%be%d0%bb%d0%b5%d0%b3-%d0%b5%d1%84%d0%b8%d0%bc%d0%be%d0%b2-1week1trick-stem-tricks
Martti Kuoppa is inspring a new generation of riders with his stem tricks, check out Олег Ефимов and a couple of variations on the pedal5 he just learnt standing on the stem.
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