This C.V.A. Super Mini Shock Unit Set is a perfect replacement for TT-01 / Type E stock friction damper on a low budget. The damper body size is much shorter than the C.V.A. Mini Shock Unit Set, so it fits TT-01 chassis perfectly because of suitable ride height. If you use C.V.A. Mini Shock Unit Set, your TT-01, your chassis become very tall and not much suspension travel; like a rally car. The C.V.A. Super Mini Shock Unit Set is suitable for touring and drifting. A recommended basic upgrade for TT-01 / Type E chassis.