KM Racing Ceramic & Steel Engine bearings
KM Racing have released a whole new range of engine bearings for Novarossi based 2,1cc motors. For the RB, Max and Nova .12 Touring S, there is a new front (7 x 17 x 5mm) and rear (11.5 x 21 x 5mm) bearing in both ceramic and standard steel ball versions. Also for the Nova 353 .12 motor, there are again the new front (7 x 18 x 5.3mm) and new rear (11.9 x 21.4 x 5.3mm) versions, also in ceramic and steel versions.
Source: KM Racing [km-rc.com]