Crown 50 to 60 teeth with the choices in 420 for BETA RR SM from 2005 to 2011 and TRACK from 2008 to 2015

Here is the black steel crown from France Equipment. Very good quality, this crown will be ideal to start again on excellent bases transmission / chain / pinion! Intended to be mounted on BETA RR, TRACK, MOTARDD .... SM from 2005 to 2011 and TRACK from 2008 to 2021. Width 420, available in sizes 50 teeth, 51 teeth and 60 teeth. To optimize your transmission, we recommend that you change the chain as well as the pinion.

4 Ø8.5mm holes

Central Ø 100mm

120mm screw spacing

Do not forget to choose the number of teeth desired before adding to the basket.