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Courrone Made in France CHARVIN for your MBK 65/68/85/88 and 89 rims, from 44 to 54 teeth available with 6 fixing holes.
Here are the crowns with Ø110mm hub hole and 6 fixing holes from CHARVIN Industrie for MBK 65/68/85/88 and 89. With 3 sizes to choose from, 44, 48 and 54 teeth, you will be able to refine your transmission settings. A large crown will allow you to obtain more acceleration (also take into account the variation / clutch part) while a smaller crown will give you increased speed to the detriment of acceleration / recovery! 
It's up to you to find the right compromise according to your configuration. It is strongly recommended to change its chain and its pinion to start again on a new transmission without problems. A crown of excellent quality Made in France with a treated and machined steel alloy. An element intended to last over time, do not forget to lubricate your chain well to avoid friction between the pinion / chain / crown (to reduce heating, wear, play, etc.). Model 6 fixing holes in width 415.
Be careful to select the number of teeth before adding to the basket. See diagram below for more details.
Diagram of 44 and 54 teeth (different shapes) 
Specific References
Reference: 2959
Crown Made in France CHARVIN for your MBK 41 & 51 rims, 3 sizes available! Models with 11 fixing holes in diameter 94mm.
Reference: 512881
Crown that mounts on your DOPPLER or FRANCE EQUIPEMENT crown holder.
Reference: D520.31
Crown to be machined, in aluminium, available from 30 to 60 teeth! For 520 chain.
Reference: D525.30
Crown to be machined, in aluminium, available from 30 to 60 teeth! For 525 chain.
Reference: 1050.01005.38
Good quality solid crowns with several sizes available for optimum tuning of your transmission.
Reference: D530.30
Crown to be machined, in aluminium, available from 30 to 70 teeth! For 530 chain.
Reference: 2940
Courrone Made in France CHARVIN for your PEUGEOT 103 rims with steel sticks, from 43 to 56 teeth available! Models with 10 fixing holes.
Reference: D428.30
Crown to be machined, in aluminium, available from 29 to 78 teeth! For 428 chain.
Reference: 2931
CGN replacement crown at a lower price for your 103!
Reference: 244069
Courrone Made in France CHARVIN for your spoked PEUGEOT 103 rims, from 42 to 56 teeth available! Models with 11 fixing holes.
Reference: 2947
Courrone Made in France CHARVIN for your PEUGEOT 103 GRIMECA rims, from 40 to 60 teeth available with 10 fixing holes.
Reference: D420.30
Crown to be machined, in aluminium, available from 29 to 78 teeth! For 420 chain.
Reference: 2957
Courrone Made in France CHARVIN for your MBK 40 & 50 rims, 3 sizes available! Models with 10 fixing holes.
Reference: 2060.02017.44
Courrone Made in France FRANCE EQUIPEMENT for your MBK 41 & 51 rims, 3 sizes available! Models with 11 fixing holes in diameter 94mm.
Reference: 1125.01010.39
Courrone Made in France by CHARVIN for your PEUGEOT 103 SPX, FUN spoked rims, from 39 to 60 teeth available! Models with 10 fixing holes.
Reference: 2130.02020.40
A high-end crown for owners of MBK 51 S.
Courrone Made in France CHARVIN for your MBK 65/68/85/88 and 89 rims, from 44 to 54 teeth available with 6 fixing holes.
