CGN pinion in 415 for MBK 51 / MOTOBECANE AV10 / AV7 / MOBYLETTE, number of teeth to choose from

Here is the chain sprocket for the chainring of your MBK 51! CGN selection, this pinion is installed on the original or aluminum chainring (DOPPLER type) depending on the model, some chainrings require a Peugeot 103 pinion to be installed because they have a Ø28mm hub. Good quality, its internal diameter is Ø26mm. It also has 2 black plastic shims / gaskets for better timing / anti-friction of the chain depending on the teeth chosen! Delivered as shown in the photograph with a number of teeth to choose from (11/12 or 13 teeth). To be adapted according to your crown / chain / pinion transmission.

Be careful to choose the number of teeth before purchase. Width only available 415.