Tonykart have continued to develop the successful Racer EVR and Krypton KRX chassis for
2011. The chassis will renamed Racer EVRR and Krypton KSX .Although thea ctual shape of the chassis remains unchanged, the non-gearbox KF models will be supplied with revised bearing cassette supports which have been strenghtened.

Here is a PDF file describing all the changes to the Tony Kart 2011 chassis.