Here is the pack C4 NTN bearings (made in Japan) polyamide cage + viton crankshaft spy joints reinforced and high engine joints + crankcase and valves ARTEIN by CGN for your mécaboites engines DERBI euro 1 and 2. Of excellent quality, it is a not to be confused with low-end joints or bearings, it has an attractive price, this kit of motor elements will be ideal for refurbishment at a lower cost and in the most total quality! With their games in C4, the bearings are ideal for motorcycles kites or equipped!