Day people a question pulled yesterday new mature on it and when string tension noticed that the not always has the same tension. so I have zb 2 cm game and who I turn the wheel a toddler dan it will again lokerer dan am I so at 3 cm air is that very slim. Although in the manual stands at the penalty spot measure that means that it gives less tightness, so I go from that it is normal or ? Nevertheless I am happy about every answer. Mfg iwanushka.