1.360° te matau hurihuri me te hiri raka haumaru
2.Durable anga maitai ki te wera tukinotia kawenga kawenga wāhanga
3.Roller bearings or caged ball bearings on load sprocket & side plate te whakanui ake i te pai me te mahi
4.Pūnaha whakapuru pawl-rua aunoa, te haumaru me te pono
5.Whakamatauhia ki te 150% o te kaha kua whakatauhia, te whakarea haumaru i te iti rawa 4: 1
6.Pūnaha tiaki taumahatanga whirihoranga