Rotobox Bullet
Carbon wheels was a must do. Its lighter and most importantly, it solved the understeering issue on the H2.
Pls do it if you hate the way it turns.
OEM front wheel - 4.7kg
OEM rear wheel - 7.25kg (includes rear wheel hub)
Rotobox front with ceramic bearings - 3.2kg
Rotobox rear wheel - 2.55kg
Rotobox rear hub and bolts - 1.65kg
Front installed
Rear installed
Total static weight savings - 4.55kg
Dynamic savings presuming 1.5g acceleration - 7kg.