1.Light mamafa ma faigofie tu'uina atu.
2.High lelei ma toso lima laiti.
3. Faʻapipiʻiina i filifili uta faʻamaʻaʻaina mo le faʻaogaina ma le umi o laei
4.Reduced headroom, itu kilia ma faʻaiʻuga auala mo le faʻaogaina faigofie o uta mamafa i nofoaga pupuni
5.Adopting le loloto groove polo tauaveina o uta filifili sprocket, toso e laʻititi.
6. Fa'amau uta uamea gaoa e feso'ota'i sa'o i le fa'avaa fa'ae'e
7. Fausia matau pito i luga ma lalo ma latches saogalemu saogalemu.