1. Iyo chassis yakagadzirirwa inorema michina yekuchera, yekuchera rig, zvichingodaro.
2. Yese rollers yakagadzirwa nesimbi yealloy, zvakanyatsoenderana nezvinodiwa nemaitiro, uye mushure mekudzima kurapwa, kupfeka kwakanaka kuramba, hupenyu hurefu hwebasa.
3. Ma roller mana igungano rakanaka kuti ive nechokwadi chekutakurwa kwemutoro, nzvimbo yegungano inogadziriswa, kusarudzwa kwemudziyo wekumanikidza kuti uve nechokwadi chekupfuura zvinodiwa nemutengi.