Nā mea nui:
- Kona māhoe milo kekahi i kekahi perpendicular hale;
- Hiki ke ʻoki ʻia ka pahu pahu/kāmaʻa ma ka milo mua a hiki ke ʻoki ʻia ka disc brake ma ka wili lua;
- ʻOi aku ka rigidity, mea hana pololei, hoʻonohonoho a maʻalahi ke hana.
