【實用書籍app】RTI Calc|最夯免費app-綠色工廠好玩App

Ramp Travel Index or RTI is a way of measuring a vehicles ability to flex it suspension.Want to calculate your RTI based on different ramp angles? Here's the calculator to do it.Do be without this on ramp competition day! Every serious 4WD owner needs to know their RTI, not only for competitions but also for off-roading so you know exactly what your 4WD can handle.