Pinion output CGN by IGM for minarelli am6 for chain width 420

Of superior quality to TNT, but still less than very big brands (France EQUIPPEMENT / TOP PERFORMANCES ...), here is the pinion output box CGN, manufactured by IGM. Available in width 420, in 12, 13, 14 and 15 teeth. Recall that a larger chain sprocket brings more top speed, despite the acceleration. For minarelli am6.