1.Light mamafa, ma lelei torque-transmisi gafatia;
2.Using le tu'ufa'atasiga fa'auma tu'uaiga fale ma maualuga lelei faiga lubricating;
3.Smaller gear offsets, ma maualuga felauaiga lelei;
4. Bearings ma fa'amaufa'ailoga suau'u ma le ola umi;
5.Uili hubs aapa 50 afe kilomita 'tausia saoloto;
6.Various fua faatatau saoasaoa laiti.